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发布日期:2021年12月03日
Chemistry

Carbon is a chemical element with symbol of C and the atomic number of 6. It is a nonmetallicandtetravalent atom, that has 4 electrons and it belongs to group 14 of the periodic table and there are available isotopes of carbon. While carbon-13andcarbon-12 are stable, carbon-14 is proven to be a radionuclide, and it decays with a half-life of 5,730 years, and it has been known since antiquity. The most familiar forms of carbon compounds include CO2, graphite, and diamond. It is an abundant element in the human body, after oxygen inside an human body. There are also allotropes of carbon, and diamond is one example of an allotropes, and 董卿的丈夫全文免费阅读 董卿的丈夫 E道阅读网,色戒无删减港版下载地址全文免费阅读 色戒无删减港版下载 ,2019中文字乱码字幕100页 科幻末世类网文作品 E道阅读网carbon nanotubesandgraphene have the highest thermal conductivity in the periodic table. All carbon allotropes are the most thermodynamically stable at standard pressure, and temperature.

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