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Polyatomic Ions
Review of common polyatomic ion names, formulas, and accompanying charges.
Term | Definition |
---|---|
Hydronium | H3O (1+) |
Ammonium | NH4 (1+) |
Hydroxide | OH (1-) |
Acetate | CH3CO2 (1-) |
Carbonate | CO3 (2-) |
Hydrogen Carbonate (Bicarbonate) | HCO3 (1-) |
Chromate | CrO4 (2-) |
Dichromate | Cr2O7 (2-) |
Chlorate | ClO3 (1-) |
Perchlorate | ClO4 (1-) |
Chlorite | ClO2 (1-) |
Hypochlorite | OCl (1-) |
Oxalate | C2O4 (2-) |
Nitrate | NO3 (1-) |
Nitrite | NO2 (1-) |
Sulfate | SO4 (2-) |
Hydrogen Sulfate (Bisulfate) | HSO4 (1-) |
Sulfite | SO3 (2-) |
Hydrogen Sulfite (Bisulfite) | HSO3 (1-) |
Phosphate | PO4 (3-) |
Hydrogen Phosphate | HPO4 (2-) |
Dihydrogen Phosphate | H2PO4 (2-) |
Permanganate | MnO4 (1-) |
Cyanide | CN (1-) |
Peroxide | O2 (2-) |