

Hey Nandni,
Polyatomic - The elements that have more than two atoms per molecule are called polyatomic
Example: S8,P4
Diatomic - Element that have only two atom per molecule are called Polyatomic
.Example - Oxygen molecule (O2) Made up of Two O-O atom
Nitrogen gas (N2) made up of Two N-N Atom
Hope you got your answer
Thanks for asking
