A molecule which is made up of atoms of the same element is called
∙ A molecule is formed when two or more atoms chemically combine together.
∙ Homoatomic molecule: A molecule which is made up of the atoms of same element. Examples:
N2, O2, H2, Cl2
∙ Heteroatomic molecule: A molecule which is made up of two or more atoms of different elements. Examples:
HCl, HF, H2O