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Polyatomic Ions
Ion | Formula | Valency |
---|---|---|
Ammonium | NH4 | +1 |
Hydroxide | OH | -1 |
Hydrogen sulfide | H2S | -1 |
Hydrogen sulfite | HSO¬3 | -1 |
Hydrogen sulfate | HSO4 | -1 |
Hydrogen carbonate | HCO3 | -1 |
Dihydrogen phosphate | H2PO4 | -1 |
Nitrite | NO2 | -1 |
Nitrate | NO3 | -1 |
Ethanoate | CH3CO2 | -1 |
Permanganate | MnO4 | -1 |
Sulfite | SO3 | -2 |
Sulfate | SO4 | -2 |
Carbonate | CO3 | -2 |
Hydrogen phosphate | HPO4 | -2 |
Dichromate | Cr2O7 | -2 |
Phosphate | PO4 | -3 |