what is atomicity of gas?explain briefly
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.