Question

Why does Inert placed in zero group ?

Answer 1

Inert gas elements have their outer most shell completed or full. So they have no tendency to enter into any chemical reaction by giving or receiving electrons. Hence, inert gases are chemically inert and placed in zero group (Group-viii) in the periodic table. Inert gases with zero valency.

Answer 2

Inert gas elements have their outer most shell completed or full. So they have no tendency to enter into any chemical reaction by giving or receiving electrons. Hence, inert gases are chemically inert and placed in zero group (Group-viii) in the periodic table.Inert gases with zero valency.
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