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NH₄⁺
Ammonium
H₃O⁺
Hydronium
CH₃COO⁻
Acetate
CO₃²⁻
Carbonate
CN⁻
Cyanide
HCO₃⁻
Bicarbonate
OH⁻
Hydroxide
CrO₄²⁻
Chromate
ClO⁻
Hypochlorite
Cr₂O₇²⁻
Dichromate
ClO₂⁻
Chlorite
O₂²⁻
Peroxide
PO₄³⁻
Phosphate
NO₂⁻
Nitrite
HPO₄²⁻
Hydrogen phosphate
NO₃⁻
Nitrate
SO₃²⁻
Sulfite
MnO₄⁻
Permanganate
SO₄²⁻
Sulfate ion
ClO₃⁻
Chlorate