History of the Universe

History of the Universe eBook. 398 pages, 300 illustrations only £5.99

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An oxygen atom has six electrons in its outer shell, so there are two holes. By forming two covalent bonds, and so sharing two electrons with other atoms, it is able to fill its outer shell and give itself a hard outer shell.

In models oxygen atoms are usually colored red.

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History of the Universe eBook
History of the Universe eBook
Only £5.99

Written by Wyken Seagrave
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