(a) What are valence electrons? (b) How many valence
Chapter 5, Problem 9E(choose chapter or problem)
(a) What are valence electrons?
(b) How many valence electrons does a nitrogen atom possess?
(c) An atom has the electron configuration \(1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{2}\). How many valence electrons does the atom have?
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