give five examples each for the atomicity of elements
*mono atomic * diatomic *triatomic *polyatomic
Atomicity is the number of atoms constituting a molecule.
Monoatomic elements: Na, Mg, Al, Ar, Fe
Diatomic elements: O2, H2, Cl2, N2 ,F2
Triatomic elements: O3
Polyatomic element: P4, S8