Polyatomic Ions

Ammonium: NH4+ \n Silver (not polyatomic): Ag+ \n Zinc (not polyatomic): Zn2+

Acetate: C2H3O2- \n Bromate: BrO3- \n Chlorate: ClO3- \n Chlorite: ClO2- \n Cyanide: CN- \n Hydride: H- \n Hydroxide: OH- \n Hypochlorite: ClO- \n Iodate: IO3- \n Nitrate: NO3- \n Nitrite: NO2- \n Perchlorate: ClO4- \n Permanganate: MnO4- \n Carbonate: CO32- \n Chromate: CrO42- \n Dichromate: Cr2O72- \n Sulfate: SO42- \n Sulfite: SO32- \n Phosphate: PO43- \n Phosphite: PO33- \n