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Polyatomic Ions
| Term | Definition |
|---|---|
| Acetate | C2H3O2- |
| Cyanide | CN- |
| Hydroxide | OH- |
| Permanganate | MnO4- |
| Nitrate | NO3- |
| Nitrite | NO2- |
| Perchlorate | ClO4- |
| Chlorate | ClO3- |
| Hypochlorite | ClO- |
| Ammonium | NH4+ |
| Carbonate | CO3-2 |
| Bicarbonate | HCO3- |
| Chromate | CrO4-2 |
| Dichromate | Cr2O7-2 |
| Sulfate | SO4-2 |
| Sulfite | SO3-2 |
| Bisulfate | HSO4- |
| Bisulfite | HSO3- |
| Phosphate | PO4-3 |
| Phosphite | PO3-3 |