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Polyatomic Ions
| Question | Answer |
|---|---|
| ammonium | NH4+ |
| nitrite | NO2- |
| nitrate | NO3- |
| sulfite | SO3 2- |
| sulfate | SO4 2- |
| hydrogen sulfate | HSO4- |
| thiosulfate | S2O3 2- |
| cyanide | CN- |
| phosphite | PO3 3- |
| phosphate | PO4 3- |
| hydrogen phosphate | HPO4 2- |
| dihydrogen phosphate | H2PO4- |
| perchlorate | ClO4- |
| chlorate | ClO3- |
| chlorite | ClO2- |
| hypochlorite | ClO- |
| acetate | CH3COO- C2H3O2- |
| carbonate | CO3 2- |
| hydrogen carbonate | HCO3- |
| chromate | CrO4 2- |
| dichromate | Cr2O7 2- |
| permanganate | MnO4- |
| peroxide | O2 2- |
| thiocyanate | SCN- |