The valence level and the number of valence electrons, respectively, for phosphorus are:
A)2 and 3
B)2 and 5
C)3 and 3
D)3 and 5
E)3 and 6

Question

Quizplus · Accepted Answer

Phosphorus has 3 valence levels (energy levels containing valence electrons) and 5 valence electrons (electrons in the outermost energy level). Choice D is the only option that matches both the valence level and the number of valence electrons for phosphorus.

The Valence Level and the Number of Valence Electrons, Respectively