Polyatomic Ions

• Acetate


  C2H3O2
• Azide


  N3-
• bicarbonate


  (hydrogen carbonate)
• bisulfate (hydrogen sulfate)


  HSO4-
• Bromate


  BrO3-
• Bromite


  BrO2-
• Chlorate


  ClO3-
• Chlorite


  ClO2-
• Dihydrogen Phosphate


  H2PO4-
• Bisulfite (hydrogen sulfite)


  HSO3-
• Hydroxide


  OH-
• Hypobromite


  BrO-
• Hypochlorite


  ClO-
• Hypoiodite


  IO-
• Iodate


  IO3-
• Iodite


  IO2-
• Nitrate


  NO3-
• Nitrite


  NO2-
• Perbromate


  BrO4-
• Perchlorate


  ClO4-
• Periodate


  IO4-
• Permanganate


  MnO4-
• Ammonium


  NH4+
• Hydronium


  H3O+
• Phosphate


  PO4 (3-)
• Phosphite


  PO3 (3-)
• Carbonate


  CO3 (2-)
• Chromate


  CrO4-
• Dichromate


  Cr2O7 (2-)
• Hydrogen Phosphite


  HPO3 (2-)
• Hydrogen Phosphate


  HPO4 (2-)
• Sulfate


  SO4 (2-)
• Sulfite


  SO3 (2-)
• Cyanide


  CN-