AP Chemistrymediummcq1 pt
In the Lewis structure of the ammonium ion NH₄⁺, how many valence electrons are distributed?
A.8
B.10
C.9
D.16
Explanation
Core Concept
N gives 5, the four H give 4, and the +1 charge removes 1: 5 + 4 − 1 = 8. Cations subtract their charge from the valence tally.
Correct Answer
A8
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