Question

Can nonmetals have both positive and negative oxidation numbers?

Answer 1

Answer : yes

Explanation : The chemical elements can be broadly divided into metals and nonmetals according to their tendency to loose or gain electrons: ... For instance, sodium's oxidation number is +1, while calcium's oxidation number is +2.

Answer 2

yes

The chemical elements can be broadly divided into metals and nonmetals according to their tendency to loose or gain electrons: ... For instance, sodium's oxidation number is +1, while calcium's oxidation number is +2.