Question

nitrogen is a diatomic element with _____ valence electrons.
a five
b two
c three
d eight

Explanation:

Nitrogen has an atomic number of 7. Its electron configuration is \(1s^{2}2s^{2}2p^{3}\). The valence electrons are in the outermost shell (\(n = 2\)). The number of valence electrons is \(2 + 3=5\).

Answer:

A. five