Question

what is monoatomic and diatomic molecules? give any two examples of polyatomic molecules.​

Answer 1

Answer:

e.g. He, Ne, Ar (all noble gases are monatomic) Diatomic - Diatomic molecules are those molecules that are composed of only two atoms. If a diatomic molecule is composed of the same element it is known as a homonuclear and if it is composed of two different elements it is known as heteronuclear. e.g. H2 , N2 , O2.