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Polyatomic anion

Nameformula
Acetate C₂H₃O₂⁻
Carbonate CO₃²⁻
Hydrogen carbonate (bicarbonate) HCO₃⁻
Sulfate SO₄²⁻
Sulfite SO₃²⁻
chromate CrO₄²⁻
Hydroxide OH⁻
Cyanide CN⁻
Nitrate NO₃⁻
Nitrite NO₂⁻
Peroxide O₂²⁻
Oxalate C₂O₄²⁻
Permanganate MnO₄⁻
Phosphate PO₄³⁻
Phosphite PO₃³⁻
Hypochlorite ClO⁻
Chlorite ClO₂⁻
Chlorate ClO₃⁻
Percholate ClO₄⁻
Ammonium NH₄⁺
Hydromium H₃O⁺
Bromate BrO₃⁻
hydrogen sulfate (bisulfate) HSO₄⁻
Iodate IO₃⁻
Dichromate Cr₂O₇²⁻
Periodate IO₄⁻
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