# Question #1186d

Diatomic oxygen (${O}_{2}$) is a non-polar molecule because it has a non-polar bond, i.e. the double bond between two oxygen atoms.
Bond polarity is determined by the difference in electronegativity between the two atoms that form said bond. In ${O}_{2}$'s case, the covalent bond that forms between the two oxygen atoms cannot be polar since there is no difference in electronegativity, both atoms having the same electronegativity value.