Written by pimpitcha
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Wednesday, 10 February 2016 11:23 |
In this video explains how oxygen atoms can form double bonds, and nitrogen atoms can form triple bonds to make diatomic gaseous molecules. But carbon atoms can't form a quadruple bonds, instead bonding to make a network solid. The role of O2, N2 and CO2 in breathing and respiration is explored, and more complex molecules are introduced.
ที่มา : http://AtomicKids.org ลิงค์ : https://youtu.be/F_1arhpDb8U อัพโหลดโดย : Ian Stuart
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