Question

what is atomicity?name a diatomic
element​

Answer 1

Answer:

On the basis of atomicity, molecules can be classified as : Monoatomic-composed of 1 atom e.g. He, Ne, Ar (all noble gases are monoatomic) Diatomic-composed of 2 atoms e.g. H2 , N2 , O. Triatomic-composed of 3 atoms e.g. O.

Answer 2

Answer:

Answer:The total number of atom present in a compound is  called atomicity.Example of Diatomic Element is Bromine(Br), Iodine