Question

the elements of which group are nonreactive?
○ halogens
○ alkaline earth metals
○ noble gases
○ alkali metals

Explanation:

Halogens (Group 17) are highly reactive, alkaline earth metals (Group 2) and alkali metals (Group 1) are also reactive. Noble gases (Group 18) have a full valence electron shell, making them nonreactive (inert) under normal conditions.

Answer:

C. noble gases