what is atomicity of gas?explain briefly

Hi Madan,

Atomicity is the number of atoms of an element present in one molecule of that element.

For example, there are 2 atoms of hydrogen present in H₂ molecule. So its atomicity is 2.

The gases can be

·  monatomic, example: Helium (He)

·  diatomic, example: hydrogen (H₂)

·  triatomic , example: ozone (O₃)

·  polyatomic, example:  sulphur (S₈).

 

Hope it is clear to you.

Best Wishes!