Question

All noble gas molecules are:

• A. $\text{Mono atomic}$
• B. $\text{Triatomic}$
• C. $\text{Diatomic}$
• D. $\text{Both (a) and (c)}$

Answer 1

The correct option is A $\text{Mono atomic}$

All noble gas molecules are monoatomic. It is because they are chemically unreactive due to fully filled valance shell. So they donot combine with other atoms.