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Polyatomics
| Polyatomic | Formula |
|---|---|
| Ammonium Ion | NH4^+ |
| Hydronium Ion | H30^+ |
| Acetate Ion | (C2H3O2^-) |
| Hydrogen Carbonate Ion (Bicarbonate) | HC03^- |
| Chromate Ion | CrO4^2- |
| Dichromate Ion | Cr2O7^2- |
| Cyanide Ion | CN^- |
| Hydroxide Ion | OH^- |
| Hypochloride Ion | ClO^- |
| Chlorite Ion | ClO2^- |
| Chlorate Ion | ClO3^- |
| Perchlorate Ion | ClO4^- |
| Nitrate Ion | NO3^- |
| Nitrite Ion | NO2^- |
| Oxalate Ion | C2O4^2- |
| Permanganate Ion | MnO4^2- |
| Peroxide Ion | O2^2- |
| Phosphate Ion | PO4^3- |
| Hydrogen phosphate Ion | HPO4^2- |
| Dihydrogen phosphate Ion | H2PO4^- |
| Sulfite Ion | SO3^2- |
| Sulfate Ion | SO4^2- |
| Hydrogen Sulfate Ion (bisulfate Ion) | HSO4^- |
| Thiocyanate Ion (sulfocyanate ion) | SCN^- |