Decide whether each molecule or polyatomic ion is polar or nonpolar, If the molecule or polyatomic ion is polar, write the chemical symbol of the atom closest to the negative side. For example, if the molecule were HCI and you decided the hydrogen atom was closest to the negative side of the molecule, you'd enter "H" in the last column of the table. molecule or polyatomic ion atom closest to negative side CI, 0 polar or nonpolar? O polar nonpotar polar nonpolar polar nonpolar NH N HCN X