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      <image:title>碳</image:title>
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      <image:title>Famous Chemists - Kirchhoff</image:title>
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    <loc>https://www.beautifulchemistry.net/kichhoff</loc>
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    <lastmod>2017-06-28</lastmod>
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      <image:title>Kirchhoff - Liebig</image:title>
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    <lastmod>2017-06-28</lastmod>
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      <image:title>Scheele - Faraday</image:title>
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      <image:title>Scheele - Boyle</image:title>
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  <url>
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    <lastmod>2017-06-29</lastmod>
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      <image:title>Liebig</image:title>
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      <image:title>Liebig - Kirchhoff</image:title>
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      <image:title>Liebig - Liebig</image:title>
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      <image:title>Liebig - Faraday</image:title>
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      <image:title>Liebig - Volta</image:title>
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    <image:image>
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      <image:title>Liebig - Lavoisier</image:title>
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    <image:image>
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      <image:title>Liebig - Scheele</image:title>
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      <image:title>Liebig - Cavendish</image:title>
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      <image:title>Liebig - Mayow</image:title>
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      <image:title>Liebig - Boyle</image:title>
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      <image:title>Liebig</image:title>
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    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
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      <image:title>Davy</image:title>
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      <image:title>Davy - Liebig</image:title>
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    <image:image>
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      <image:title>Davy - Faraday</image:title>
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    <image:image>
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      <image:title>Davy - Davy</image:title>
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    <image:image>
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      <image:title>Davy - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Davy - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Davy - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Davy - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Davy - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Davy - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Davy - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Davy - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba67f5e2317781eb2910/1465729274196/Davy-instrument-01.jpg</image:loc>
      <image:title>Davy</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba67f5e2317781eb2912/1465729292850/</image:loc>
      <image:title>Davy</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/faraday</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba5f86e6c0aa3acd9e1e/1465731282872/</image:loc>
      <image:title>Faraday</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Faraday - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Faraday - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Faraday - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Faraday - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Faraday - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Faraday - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Faraday - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Faraday - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Faraday - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Faraday - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Faraday - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Faraday - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba5f86e6c0aa3acd9e20/1465729646189/</image:loc>
      <image:title>Faraday</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba5f86e6c0aa3acd9e22/1465729682437/</image:loc>
      <image:title>Faraday</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/hales</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba842cba5e163e522657/1465726843088/</image:loc>
      <image:title>Hales</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Hales - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Hales - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Hales - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Hales - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Hales - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Hales - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Hales - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Hales - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Hales - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Hales - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Hales - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Hales - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba842cba5e163e522655/1465731012838/</image:loc>
      <image:title>Hales</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba842cba5e163e522659/1465727063599/</image:loc>
      <image:title>Hales</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/cavendish</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba7de6f2e17c04d4597e/1465727628191/</image:loc>
      <image:title>Cavendish</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Cavendish - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Cavendish - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Cavendish - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Cavendish - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Cavendish - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Cavendish - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Cavendish - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Cavendish - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Cavendish - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Cavendish - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Cavendish - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Cavendish - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba7de6f2e17c04d4597c/1465727403775/</image:loc>
      <image:title>Cavendish</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba7de6f2e17c04d4597a/1465731040227/</image:loc>
      <image:title>Cavendish</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/boyle</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Boyle - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Boyle - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Boyle - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Boyle - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Boyle - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Boyle - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Boyle - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Boyle - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Boyle - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Boyle - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Boyle - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Boyle - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba951e5b6cb1b7ec8306/1465730304255/</image:loc>
      <image:title>Boyle</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba951e5b6cb1b7ec8308/1465457117422/</image:loc>
      <image:title>Boyle</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba951e5b6cb1b7ec830a/1465719381264/</image:loc>
      <image:title>Boyle</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/volta</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba6d099c01d8012d9c42/1465728871723/</image:loc>
      <image:title>Volta</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Volta - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Volta - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Volta - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Volta - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Volta - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Volta - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Volta - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Volta - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Volta - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Volta - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Volta - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Volta - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba6d099c01d8012d9c3e/1465732085380/</image:loc>
      <image:title>Volta</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba6d099c01d8012d9c40/1465728841826/</image:loc>
      <image:title>Volta</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/mayow</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba8b44024317abbe68fb/1465720450623/</image:loc>
      <image:title>Mayow</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba8b44024317abbe68f9/1465720435820/</image:loc>
      <image:title>Mayow</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Mayow - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Mayow - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Mayow - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Mayow - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Mayow - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Mayow - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Mayow - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Mayow - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Mayow - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Mayow - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Mayow - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Mayow - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951ba8b44024317abbe68f7/1465730980643/</image:loc>
      <image:title>Mayow</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/priestley</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Priestley - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Priestley - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Priestley - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Priestley - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Priestley - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Priestley - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Priestley - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Priestley - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Priestley - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Priestley - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Priestley - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Priestley - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951c36e03596e2c540d5194/1498528369445/</image:loc>
      <image:title>Priestley</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951c36e03596e2c540d5192/1498528369443/</image:loc>
      <image:title>Priestley</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951c36e03596e2c540d5196/1498528369448/</image:loc>
      <image:title>Priestley</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/lavoisier</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951d3e83e00be5b14b9459a/1465728626731/</image:loc>
      <image:title>Lavoisier</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951d3e83e00be5b14b94596/1465728543400/</image:loc>
      <image:title>Lavoisier</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c121e58c62d7ca20d712/1498531042849/12-Kichhoff.jpg</image:loc>
      <image:title>Lavoisier - Kirchhoff</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c120d1758e455ac489c8/1498531020113/11-Liebig.jpg</image:loc>
      <image:title>Lavoisier - Liebig</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11f2cba5e163e527304/1498531005252/10-Faraday.jpg</image:loc>
      <image:title>Lavoisier - Faraday</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11e4c8b031b6d9a120c/1498530981872/09-Davy.jpg</image:loc>
      <image:title>Lavoisier - Davy</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d15d5db6582e94309/1498530962279/08-Volta.jpg</image:loc>
      <image:title>Lavoisier - Volta</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11d2e69cf1382c48b17/1498530937929/07-Lavoisier.jpg</image:loc>
      <image:title>Lavoisier - Lavoisier</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c15d5db6582e942e5/1498530894765/06-Priestley.jpg</image:loc>
      <image:title>Lavoisier - Priestley</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11c20099e11d3e95765/1498530336940/05-Scheele.jpg</image:loc>
      <image:title>Lavoisier - Scheele</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b03596e2c540d37e9/1498530332839/04-Cavendish.jpg</image:loc>
      <image:title>Lavoisier - Cavendish</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c11b72af6579b898a102/1498530328807/03-Hales.jpg</image:loc>
      <image:title>Lavoisier - Hales</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c1196a4963bbc7c351b2/1498530323408/02-Mayow.jpg</image:loc>
      <image:title>Lavoisier - Mayow</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/5951c0ea414fb5a55ed22d74/5951c119197aea9d91c3c80d/1498530318545/01-Boyle.jpg</image:loc>
      <image:title>Lavoisier - Boyle</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951d3e83e00be5b14b9459e/1465728709378/</image:loc>
      <image:title>Lavoisier</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951d3e83e00be5b14b94598/1465728567747/</image:loc>
      <image:title>Lavoisier</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951d3e83e00be5b14b9459c/1465728664687/</image:loc>
      <image:title>Lavoisier</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5951d3e83e00be5b14b94594/1465732049892/</image:loc>
      <image:title>Lavoisier</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/chemical-symbols</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59536dd4ff7c502702d5aa10/1498639962137/</image:loc>
      <image:title>Chemical Symbols</image:title>
      <image:caption>Top left: fire, top right: water, center: either, bottom left: air, bottom right: earth.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59535bb546c3c497b3874ab8/1498639962135/</image:loc>
      <image:title>Chemical Symbols</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953670d15d5dbbd198336e9/1498696728846/</image:loc>
      <image:title>Chemical Symbols</image:title>
      <image:caption>First row from left to right: gold (Au), silver (Ag), mercury (Hg), copper (Cu), iron (Fe), lead (Pb), antimony (Sb), sulfur (s). Second row from left to right: hydrochloride acid (HCl), nitric acid (HNO3), sulfuric acid (H2SO4), calcium carbonate (CaCO3), potassium carbonate (K2CO3), Ammonia solution (NH4OH), acetic acid (CH3COOH), alcohol (CH3CH2OH). Note: all number should be subscripts.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Chemical Symbols - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Chemical Symbols - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Chemical Symbols - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Chemical Symbols - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Chemical Symbols - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Chemical Symbols - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Chemical Symbols - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Chemical Symbols - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Chemical Symbols - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Chemical Symbols - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Chemical Symbols - Atomic Structure</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/atomic-structure</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595372fbdb29d67c8eed0c70/1498693749757/</image:loc>
      <image:title>Atomic Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595381d4f5e2319eabbc12fb/1498693749761/</image:loc>
      <image:title>Atomic Structure</image:title>
      <image:caption>Top left: dynamid model, top right: Saturn model, bottom left: plum pudding model, bottom right: nucleus model.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59538354579fb37178d0177f/1498693749762/</image:loc>
      <image:title>Atomic Structure</image:title>
      <image:caption>The center dot is the nucleus.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Atomic Structure - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Atomic Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Atomic Structure - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Atomic Structure - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Atomic Structure - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Atomic Structure - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Atomic Structure - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Atomic Structure - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Atomic Structure - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Atomic Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Atomic Structure - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953839c36e5d316f68cd713/1498693749764/</image:loc>
      <image:title>Atomic Structure</image:title>
      <image:caption>Top row from left to right: 2p, 3d, and 3d orbitals.  Bottom row: all three are 4f orbitals.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595380e91e5b6c9db5a702e2/1498693749759/</image:loc>
      <image:title>Atomic Structure</image:title>
      <image:caption>Top row from left to right: hydrogen (H), carbon (C), nitrogen (N), oxygen (O), phosphorous (P), sulfur (S). Middle row from left to right: iron (Fe), zinc (Zn), copper (Cu), lead (Pb), Silver (Ag), platinum (Pt), gold (Au), mercury (Hg). Bottom row from left to right: carbon monoxide (CO), carbon dioxide (CO2), nitric oxide (NO), nitrous oxide (N2O). Note: all number should be subscripts.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/crystal-structure</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59539a5817bffcb2898755a8/1498693785638/</image:loc>
      <image:title>Crystal Structure</image:title>
      <image:caption>Top left: fire, top right: water, center: either, bottom left: air, bottom right: earth.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59539ac8bebafb54f3d68ec5/1498693785643/</image:loc>
      <image:title>Crystal Structure</image:title>
      <image:caption>Top row: one type of close-packed structure of equal spheres. Bottom row: crystal structures similar to sodium chloride (left) and to cesium chloride (right).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595373a13a0411f9b203b9e2/1498693785636/</image:loc>
      <image:title>Crystal Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59539b22d482e98c67273e70/1498693785645/</image:loc>
      <image:title>Crystal Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Crystal Structure - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Crystal Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Crystal Structure - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Crystal Structure - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Crystal Structure - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Crystal Structure - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Crystal Structure - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Crystal Structure - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Crystal Structure - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Crystal Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Crystal Structure - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59539b3d44024324fd409e70/1498693785647/</image:loc>
      <image:title>Crystal Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59539b7c4c8b0374ebdcab3c/1498693785652/</image:loc>
      <image:title>Crystal Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59539a7b29687f3f29a4184e/1498693785640/</image:loc>
      <image:title>Crystal Structure</image:title>
      <image:caption>First row from left to right: gold (Au), silver (Ag), mercury (Hg), copper (Cu), iron (Fe), lead (Pb), antimony (Sb), sulfur (s). Second row from left to right: hydrochloride acid (HCl), nitric acid (HNO3), sulfuric acid (H2SO4), calcium carbonate (CaCO3), potassium carbonate (K2CO3), ammonium hydroxide (NH4OH), acetic acid (CH3COOH), alcohol (CH3CH2OH). Note: all number should be subscripts.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59539b61e4fcb516e2aaf112/1498693785649/4-5.jpg</image:loc>
      <image:title>Crystal Structure</image:title>
      <image:caption>Top left: edge dislocation, top right: crystal plane schematic of edge dislocation, bottom left: screw dislocation, bottom right: crystal plane schematic of screw dislocation.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/chemical-bonds</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59537372e110eba00bc6cd5a/1498693769950/</image:loc>
      <image:title>Chemical Bonds</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953855e20099ef4d68bd596/1498693769953/</image:loc>
      <image:title>Chemical Bonds</image:title>
      <image:caption>Top row from left to right: lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine. Bottom row from left to right: fluorine molecule, oxygen molecule, methane molecule, ammonia molecule, and water molecule.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Chemical Bonds - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Chemical Bonds - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Chemical Bonds - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Chemical Bonds - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Chemical Bonds - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Chemical Bonds - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Chemical Bonds - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Chemical Bonds - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Chemical Bonds - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Chemical Bonds - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Chemical Bonds - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953857729687f3f29a37bd0/1498693769955/</image:loc>
      <image:title>Chemical Bonds</image:title>
      <image:caption>Top row from left to right: AB2, AB3, AB4. Bottom row from left to right: AB5, AB6, AB6.</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/organic-molecular-structure</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595373d015d5dbbd1983890b/1498693802034/</image:loc>
      <image:title>Organic Molecular Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a385be6594d74458d3c4/1498693802038/</image:loc>
      <image:title>Organic Molecular Structure</image:title>
      <image:caption>First row from left to right: first two are Kekulé benzene structures proposed in 1865, the last was Kekulé benzene structures proposed in 1872. Second row from left to right: Clauss structure I, Clauss structure II, Ladenberg Structure I, Landenberg structure II, Armstrong structure.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a3cab3db2b69f7368ca9/1498693802041/</image:loc>
      <image:title>Organic Molecular Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a371579fb37178d114e8/1498693802036/</image:loc>
      <image:title>Organic Molecular Structure</image:title>
      <image:caption>First row: Kekulé structure (1861). Second row: Loschmidt structure (1861). Third row: Brown structure (1868)</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Organic Molecular Structure - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Organic Molecular Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Organic Molecular Structure - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Organic Molecular Structure - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Organic Molecular Structure - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Organic Molecular Structure - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Organic Molecular Structure - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Organic Molecular Structure - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Organic Molecular Structure - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Organic Molecular Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Organic Molecular Structure - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a3948419c29374e9d205/1498693802039/</image:loc>
      <image:title>Organic Molecular Structure</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/structure-history</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>History of Chemical Structures - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>History of Chemical Structures - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>History of Chemical Structures - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>History of Chemical Structures - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>History of Chemical Structures - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>History of Chemical Structures - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>History of Chemical Structures - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>History of Chemical Structures - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>History of Chemical Structures - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>History of Chemical Structures - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>History of Chemical Structures - Atomic Structure</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/biomacromolecules</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59537422579fb37178cfb105/1498693849152/</image:loc>
      <image:title>Biomacromolecules</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a82b72af658763eb28ce/1498693849163/7-3.jpg</image:loc>
      <image:title>Biomacromolecules</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a7ccccf210594b0171a6/1498693849157/7-2.jpg</image:loc>
      <image:title>Biomacromolecules</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Biomacromolecules - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Biomacromolecules - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Biomacromolecules - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Biomacromolecules - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Biomacromolecules - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Biomacromolecules - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Biomacromolecules - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Biomacromolecules - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Biomacromolecules - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Biomacromolecules - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Biomacromolecules - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a83dd1758e4c8879337f/1498693849166/</image:loc>
      <image:title>Biomacromolecules</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a7b5f7e0ab47141a32dc/1498693849155/7-1.jpg</image:loc>
      <image:title>Biomacromolecules</image:title>
      <image:caption>Top: Schematic of DNA double helix. Bottom: DNA atomic model (hydrogen atoms not shown).</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/polymers</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a604b6ac500ba2a23459/1498693825654/</image:loc>
      <image:title>Polymers</image:title>
      <image:caption>Top: early proposed structure of natural rubber made of small molecules. Bottom: polymer structure of natural rubber.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a5dd20099ef4d68cd892/1498693825658/</image:loc>
      <image:title>Polymers</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a66f36e5d316f68df2e9/1498693825656/</image:loc>
      <image:title>Polymers</image:title>
      <image:caption>Top: rigid model of polyethylene. Bottom: Flexible model of polyethylene.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Polymers - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Polymers - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Polymers - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Polymers - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Polymers - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Polymers - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Polymers - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Polymers - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Polymers - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Polymers - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Polymers - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595373fa099c01e92c50138b/1498693825652/</image:loc>
      <image:title>Polymers</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/nanoparticles</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a92e78d171b8a629c662/1498693864159/8-2.jpg</image:loc>
      <image:title>Nanoparticles</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a8e078d171b8a629c368/1498693864157/8-1.jpg</image:loc>
      <image:title>Nanoparticles</image:title>
      <image:caption>In normal ambient light, the Lycurgus cup is greenish (left); when a light source is put inside the cup, it displays a reddish color instead.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Nanoparticles - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Nanoparticles - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Nanoparticles - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Nanoparticles - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Nanoparticles - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Nanoparticles - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Nanoparticles - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Nanoparticles - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Nanoparticles - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Nanoparticles - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Nanoparticles - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953748a2994ca9df8daf443/1498693864155/</image:loc>
      <image:title>Nanoparticles</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/surface-structure</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953aae6e6f2e181ffc6f1ee/1498693911912/</image:loc>
      <image:title>Surface Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595374f7bf629a2f1e2281c1/1498693911902/</image:loc>
      <image:title>Surface Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953ab0c20099ef4d68d0af7/1498693911909/</image:loc>
      <image:title>Surface Structure</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Surface Structure - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Surface Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Surface Structure - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Surface Structure - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Surface Structure - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Surface Structure - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Surface Structure - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Surface Structure - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Surface Structure - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Surface Structure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Surface Structure - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953ab23ebbd1a33a0a8b376/1498693911906/</image:loc>
      <image:title>Surface Structure</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/carbon-nanostructure</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-28</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953aa423e00bea72d5ca521/1498693894725/</image:loc>
      <image:title>Carbon Nanostructure</image:title>
      <image:caption>Left column: zigzag carbon nanotube (16, 0), middle column: chiral carbon nanotube (12, 4), right column: armchair carbon nanotube (8, 8).</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535a27d1758e4c8876f8b8/1498655641107/08.jpg</image:loc>
      <image:title>Carbon Nanostructure - Nanoparticles</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358632e69cf02424dae4a/1498643812730/01.jpg</image:loc>
      <image:title>Carbon Nanostructure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/59535819b8a79b2b347a1e83/1498643886080/06.jpg</image:loc>
      <image:title>Carbon Nanostructure - Polymers</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595358076a49630a96e9fd17/1498643870473/05.jpg</image:loc>
      <image:title>Carbon Nanostructure - Organic Molecular Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357eabf629a2f1e21c668/1498643854690/04.jpg</image:loc>
      <image:title>Carbon Nanostructure - Crystal Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/595357c31e5b6c9db5a5f5c9/1498643839375/03.jpg</image:loc>
      <image:title>Carbon Nanostructure - Chemical Bonds</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542f72af658763e8cf91/1498643950462/10.jpg</image:loc>
      <image:title>Carbon Nanostructure - Surface Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542e36e5d316f68b99c2/1498643928133/09.jpg</image:loc>
      <image:title>Carbon Nanostructure - Carbon Nanostructure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542d5016e15409f7521a/1498643899605/07.jpg</image:loc>
      <image:title>Carbon Nanostructure - Biomacromolecules</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542bb6ac500ba29fed99/1498633462365/01.jpg</image:loc>
      <image:title>Carbon Nanostructure - Chemical Symbols</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/595345d35016e15409f6ee8f/5953542b099c01e92c4f43f8/1498643824151/02.jpg</image:loc>
      <image:title>Carbon Nanostructure - Atomic Structure</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5953a9e8414fb5cdc599b11f/1498693894723/</image:loc>
      <image:title>Carbon Nanostructure</image:title>
      <image:caption>Right: Cross section of a carbon onion (C60@C240@C540@C960), left: C960. Note: all number should be subscripts.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595374c06b8f5bc03b624e6b/1498693894721/</image:loc>
      <image:title>Carbon Nanostructure</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/atomic-structure-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440752cba5e7f2f2dc325/1498644956771/</image:loc>
      <image:title>原子结构</image:title>
      <image:caption>左上：动子模型，右上：土星模型，左下：布丁模型，右下：原子核模型。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440752cba5e7f2f2dc327/1498697138408/</image:loc>
      <image:title>原子结构</image:title>
      <image:caption>中心黑点为原子核。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440752cba5e7f2f2dc329/1498645425521/</image:loc>
      <image:title>原子结构</image:title>
      <image:caption>第一行从左至右：2p轨道，3d轨道，3d轨道。 第二行：全部为4f轨道。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440752cba5e7f2f2dc321/1498641153531/</image:loc>
      <image:title>原子结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>原子结构 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>原子结构 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>原子结构 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>原子结构 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>原子结构 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>原子结构 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>原子结构 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>原子结构 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>原子结构 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>原子结构 - 化学符号</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440752cba5e7f2f2dc323/1498696990129/</image:loc>
      <image:title>原子结构</image:title>
      <image:caption>第一行从左至右：氢（H），碳（C），氮（N），氧（O），磷（P），硫（S）。 第二行从左至右：铁（Fe），锌（Zn），铜（Cu），铅（Pb），银（Ag），铂（Pt），金（Au），汞（Hg）。 第三行从左至右：一氧化碳（CO），二氧化碳（CO2），一氧化氮（NO），一氧化二氮（N2O）。 注释：说有数字都应为下角标。</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/structure-history-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>化学结构历史 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>化学结构历史 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>化学结构历史 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>化学结构历史 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>化学结构历史 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>化学结构历史 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>化学结构历史 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>化学结构历史 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>化学结构历史 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>化学结构历史 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/chemical-bonds-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59544089b11be173fb7e49a7/1498697387482/</image:loc>
      <image:title>化学键</image:title>
      <image:caption>第一行从左至右：锂，铍，硼，碳，氮，氧，氟。 第二行从左至右：氟分子，氧分子，甲烷分子，氨分子，水分子。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59544089b11be173fb7e49a9/1498645895535/</image:loc>
      <image:title>化学键</image:title>
      <image:caption>第一行从左至右：AB2，AB3，AB4。 第二行从左至右：AB5，AB6，AB6。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59544089b11be173fb7e49a5/1498641271342/</image:loc>
      <image:title>化学键</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>化学键 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>化学键 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>化学键 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>化学键 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>化学键 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>化学键 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>化学键 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>化学键 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>化学键 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>化学键 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/chemical-symbols-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440604f14bcef30833eda/1498639962139/</image:loc>
      <image:title>化学符号</image:title>
      <image:caption>第一行从左至右：金（Au），银（Ag），水银（Hg），铜（Cu），铁（Fe），铅（Pb），锑（Sb），硫（S）。 第二行从左至右：盐酸（HCl），硝酸（HNO3），硫酸（H2SO4），碳酸钙（CaCO3），碳酸钾（K2CO3），氨水（NH4OH），乙酸（CH3COOH），乙醇（CH3CH2OH）。 注释：所有数字都应该是下表。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440604f14bcef30833ed6/1498639962135/</image:loc>
      <image:title>化学符号</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440604f14bcef30833ed8/1498639962137/</image:loc>
      <image:title>化学符号</image:title>
      <image:caption>左上：火，右上：水，中央：以太，左下：气，右下：土。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>化学符号 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>化学符号 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>化学符号 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>化学符号 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>化学符号 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>化学符号 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>化学符号 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>化学符号 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>化学符号 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>化学符号 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/polymers-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440c1f7e0ab52603f1e50/1498641413018/</image:loc>
      <image:title>聚合物</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440c1f7e0ab52603f1e54/1498654326157/</image:loc>
      <image:title>聚合物</image:title>
      <image:caption>上：刚性聚乙烯模型。 下：柔性聚乙烯模型。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440c1f7e0ab52603f1e56/1498654178928/</image:loc>
      <image:title>聚合物</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440c1f7e0ab52603f1e52/1498698267538/</image:loc>
      <image:title>聚合物</image:title>
      <image:caption>上：早期天然橡胶小分子结构式。 下：天然橡胶高分子结构式。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>聚合物 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>聚合物 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>聚合物 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>聚合物 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>聚合物 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>聚合物 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>聚合物 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>聚合物 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>聚合物 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>聚合物 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/carbon-nanostructure-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59544106d2b857debf638cfd/1498698848713/</image:loc>
      <image:title>碳纳米结构</image:title>
      <image:caption>左：碳洋葱解剖图（C60@C240@C540@C960），右：C960。 注释：所有数字应为下角标。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59544106d2b857debf638cfb/1498641604826/</image:loc>
      <image:title>碳纳米结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>碳纳米结构 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>碳纳米结构 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>碳纳米结构 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>碳纳米结构 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>碳纳米结构 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>碳纳米结构 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>碳纳米结构 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>碳纳米结构 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>碳纳米结构 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>碳纳米结构 - 化学符号</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/59544106d2b857debf638cff/1498698960444/</image:loc>
      <image:title>碳纳米结构</image:title>
      <image:caption>左列：锯齿形碳纳米管（16，0），手性碳纳米管（12，4），扶手椅型碳纳米管（8，8）。</image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/surface-structure-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5954411778d1717fd67f1f9b/1498655532464/</image:loc>
      <image:title>表面原子结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5954411778d1717fd67f1f9d/1498655511927/</image:loc>
      <image:title>表面原子结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5954411778d1717fd67f1f99/1498641660124/</image:loc>
      <image:title>表面原子结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>表面原子结构 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>表面原子结构 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>表面原子结构 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>表面原子结构 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>表面原子结构 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>表面原子结构 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>表面原子结构 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>表面原子结构 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>表面原子结构 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>表面原子结构 - 化学符号</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/5954411778d1717fd67f1f9f/1498655468184/</image:loc>
      <image:title>表面原子结构</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/biomacromolecules-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440d9b8a79b397110395d/1498654772836/7-3.jpg</image:loc>
      <image:title>生物大分子</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440d9b8a79b3971103959/1498698405579/7-1.jpg</image:loc>
      <image:title>生物大分子</image:title>
      <image:caption>上：DNA双螺旋结构示意图。 下：DNA原子模型（没有显示氢原子）。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440d9b8a79b3971103957/1498641447938/</image:loc>
      <image:title>生物大分子</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440d9b8a79b397110395f/1498654788561/</image:loc>
      <image:title>生物大分子</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440d9b8a79b397110395b/1498654686502/7-2.jpg</image:loc>
      <image:title>生物大分子</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>生物大分子 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>生物大分子 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>生物大分子 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>生物大分子 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>生物大分子 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>生物大分子 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>生物大分子 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>生物大分子 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>生物大分子 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>生物大分子 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/crystal-structure-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a33/1498651273489/</image:loc>
      <image:title>晶体结构</image:title>
      <image:caption>First row from left to right: gold (Au), silver (Ag), mercury (Hg), copper (Cu), iron (Fe), lead (Pb), antimony (Sb), sulfur (s). Second row from left to right: hydrochloride acid (HCl), nitric acid (HNO3), sulfuric acid (H2SO4), calcium carbonate (CaCO3), potassium carbonate (K2CO3), ammonium hydroxide (NH4OH), acetic acid (CH3COOH), alcohol (CH3CH2OH). Note: all number should be subscripts.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a37/1498651434682/</image:loc>
      <image:title>晶体结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a3d/1498651527229/</image:loc>
      <image:title>晶体结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a2f/1498641318947/</image:loc>
      <image:title>晶体结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a31/1498651234543/</image:loc>
      <image:title>晶体结构</image:title>
      <image:caption>Top left: fire, top right: water, center: either, bottom left: air, bottom right: earth.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a35/1498651409702/</image:loc>
      <image:title>晶体结构</image:title>
      <image:caption>第一行：相同小球紧密堆积的一种方式。 第二行从左至右：类似氯化钠的晶体结构，类似氯化铯的晶体结构。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a39/1498651473227/</image:loc>
      <image:title>晶体结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440999f745639088f4a3b/1498651815968/4-5.jpg</image:loc>
      <image:title>晶体结构</image:title>
      <image:caption>第一行：刃型位错的原子和晶面模型。 第二行：螺型位错的原子和晶面模型。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>晶体结构 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>晶体结构 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>晶体结构 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>晶体结构 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>晶体结构 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>晶体结构 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>晶体结构 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>晶体结构 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>晶体结构 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>晶体结构 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/nanoparticles-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440e8c534a568ba16ce74/1498641555287/</image:loc>
      <image:title>纳米粒子</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440e8c534a568ba16ce76/1498655011625/8-1.jpg</image:loc>
      <image:title>纳米粒子</image:title>
      <image:caption>在普通环境光下，莱克格斯杯呈绿色（左图），当把强光源放置于杯子内部时，杯子呈红色（右图）。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440e8c534a568ba16ce78/1498655037175/8-2.jpg</image:loc>
      <image:title>纳米粒子</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>纳米粒子 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>纳米粒子 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>纳米粒子 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>纳米粒子 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>纳米粒子 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>纳米粒子 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>纳米粒子 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>纳米粒子 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>纳米粒子 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>纳米粒子 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/organic-molecular-structure-cn</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-06-29</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440aae110eb92b2dc3dcf/1498653593069/</image:loc>
      <image:title>有机分子结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440aae110eb92b2dc3dc9/1498641369491/</image:loc>
      <image:title>有机分子结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440aae110eb92b2dc3dcd/1498698105695/</image:loc>
      <image:title>有机分子结构</image:title>
      <image:caption>第一行前两个：1865年凯库勒苯分子结构式，后面一个：1872年凯库勒苯分子结构式。 第二行从左至右：克劳斯结构式I，克劳斯结构式II，拉登堡结构式I，拉登堡结构式II，阿姆斯特朗结构式。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440aae110eb92b2dc3dcb/1498653562039/</image:loc>
      <image:title>有机分子结构</image:title>
      <image:caption>第一行：凯库勒结构式（1861）。 第二行：洛施密特结构式（1861）。 第三行：布朗结构式（1868）。</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595440aae110eb92b2dc3dd1/1498653645622/</image:loc>
      <image:title>有机分子结构</image:title>
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e954f14bcef30832be2/1498694375553/10.jpg</image:loc>
      <image:title>有机分子结构 - 表面原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e95e58c62341ea64d8a/1498694362006/09.jpg</image:loc>
      <image:title>有机分子结构 - 碳纳米结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e94d2b857debf63744e/1498694339752/08.jpg</image:loc>
      <image:title>有机分子结构 - 纳米粒子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d80c/1498694327513/07.jpg</image:loc>
      <image:title>有机分子结构 - 生物大分子</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e942e69cfb2fcbc061c/1498694309859/06.jpg</image:loc>
      <image:title>有机分子结构 - 聚合物</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e9417bffc7625d8d808/1498694295502/05.jpg</image:loc>
      <image:title>有机分子结构 - 有机分子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93ff7c5034788ea343/1498694274891/04.jpg</image:loc>
      <image:title>有机分子结构 - 晶体结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93893fc0e462f063af/1498694163877/03.jpg</image:loc>
      <image:title>有机分子结构 - 化学键</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e932994caad3a36f38a/1498694137669/02.jpg</image:loc>
      <image:title>有机分子结构 - 原子结构</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/59543e7e9f745639088f33c6/59543e93e4fcb521e34af4dd/1498694087583/01.jpg</image:loc>
      <image:title>有机分子结构 - 化学符号</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.beautifulchemistry.net/find-the-beauty-of-chemistry</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2017-07-07</lastmod>
    <image:image>
      <image:loc>https://static1.squarespace.com/static/55520a32e4b08eb084d46a8d/t/595ede3e36e5d3078c6129b5/1499427677296/</image:loc>
      <image:title>发现化学之美</image:title>
    </image:image>
  </url>
</urlset>

