How can you tell if atoms of two different elements will form polar covalent or nonpolar covalent bonds??

The difference in electronegativity between two atoms determines how a polar a bond will be. In a diatomic molecule with two identical atoms, there’s not difference in electronegativity, so the bond is nonpolar or pure covalent.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.