Question

17. Locate Nitrogen on the periodic table. Why do Nitrogen, Phosphorous, and

Arsenic share many similar chemical properties? *
A. They have the same number of protons.
B. They have the same number of energy levels.
C. They have the same number of electrons in their outer energy level.
O D. They have the same number of neutrons in the nucleus.

Answer 1

they have the same number of electrons in their outer energy level