Polyatomic Anions
Acetate (-1) | CH₃COO⁻ |
Azide (-1) | N₃⁻ |
Hydroxide (-1) | OH⁻ |
Cyanate (-1) | CNO⁻ |
Cyanide (-1) | CN⁻ |
Hydrogen carbonate or Bicarbonate (-1) | HCO₃⁻ |
Dihydrogen phosphite (-1) | H₂PO₃⁻ |
Dihydrogen phosphate (-1) | H₂PO₄⁻ |
Hydrogen sulfide (-1) | HS⁻ |
Hydrogen sulfite or Bisulfite (-1) | HSO₃⁻ |
Hydrogen sulfate or Bisulfate (-1) | HSO₄⁻ |
Nitrite (-1) | NO₂⁻ |
Nitrate (-1) | NO₃⁻ |
Permanganate (-1) | MnO₄⁻ |
Thiocyanate (-1) | SCN⁻ |
Hypochlorite (-1) | ClO⁻ |
Chlorite (-1) | ClO₂⁻ |
Chlorate (-1) | ClO₃⁻ |
Perchlorate (-1) | ClO₄⁻ |
Hypobromite (-1) | BrO⁻ |
Bromite (-1) | BrO₂⁻ |
Bromate (-1) | BrO₃⁻ |
Perbromate (-1) | BrO₄⁻ |
Hypoiodite (-1) | IO⁻ |
Iodite (-1) | IO₂⁻ |
Iodate (-1) | IO₃⁻ |
Periodate (-1) | IO₄⁻ |
Carbonate (-2) | CO₃²⁻ |
Chromate (-2) | CrO₄²⁻ |
Dichromate (-2) | Cr₂O₇²⁻ |
Hydrogen phosphite or Biphosphite (-2) | HPO₃²⁻ |
Hydrogen phosphate or Biphosphate (-2) | HPO₄²⁻ |
Manganate (-2) | MnO₄²⁻ |
Oxalate (-2) | C₂O₄²⁻ |
Peroxide (-2) | O₂²⁻ |
Sulfite (-2) | SO₃²⁻ |
Sulfate (-2) | SO₄²⁻ |
Arsenite (-3) | AsO₃³⁻ |
Arsenate (-3) | AsO₄³⁻ |
Phosphite (-3) | PO₃³⁻ |
Phosphate (-3) | PO₄³ |