Question

A group of non-metals do not part in chemical reaction. What is this group called and why these elements not reactive.

Answer 1

Explanation:

Group 18: Noble Gases

Group 18 elements are nonmetals called noble gases (see Figure below). They are all colorless, odorless gases. Their outer energy level is also full, so they are the least reactive elements. In nature, they seldom combine with other substances.