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FLASHCARDS - Campbell Biology Chapter 2 - The Chemical Context of Life
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valence of O (group 6)
valence of O (group 6)
2
(b/c needs 2 more electrons to complete its valence shell)
valence of N (group 5)
valence of N (group 5)
3
(b/c needs 3 more electrons to complete its valence shell)
molecular formula for helium gas (group 8)
molecular formula for helium gas (group 8)
He
(noble or inert gas, so does not combine with additional or other atoms)
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