original: Diatomic molecules are molecules composed only of two atoms, of either the same or different chemical elements.
simplifications: Diatomic molecules are made of two atoms, of either the same or different elements. Diatomic molecules are composed only of two atoms. They can be of the same or different chemical elements. Diatomic molecules are made of only two atoms. These may be the same or different chemical elements. These molecules are made up of only two atmos. The atmos can either be the same or different elements. Diatomic molecules are molecules made up of two atoms. Diatomic molecules are composed of two atoms. These atoms are of either the same or different chemical elements. Diatomic molecules are molecules that have only two atoms that have different chemical element. Diatomic molecules are molecules composed only of two atoms of the same or different chemical elements. Diatomic molecules are made of two atoms. The atoms are made from the same or different chemical elements. Diatomic molecules are molecules made-up of only two atoms of either the same or different chemical elements.