Question: what are atomicity give example?
Answer: Atomicity is defined as the total number of atoms that constitute a molecule. For example, each molecule of oxygen (O2) is composed of two oxygen atoms. ... 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.