History of the Universe

History of the Universe eBook. 398 pages, 300 illustrations only $2.99

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Nitrogen has seven electrons, so its outer shell has three holes and its valence is three. Nitrogen atoms can make 3 covalent bonds. For example a nitrogen can combine with three hydrogen atoms to form a molecule of ammonia.

Ball and stick model of ammonia NH3

In models, nitrogen atoms are usually colored blue.

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History of the Universe eBook
History of the Universe eBook
Only $2.99

Written by Wyken Seagrave
Copyright © 2019 Penny Press Ltd