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Cyanide
CN⁻
Thiocyanate
SCN⁻
Hypochlorite
ClO⁻
Perchlorate
ClO₄⁻
Carbonate
CO₃²⁻
Hydrogen carbonate (bicarbonate)
HCO₃⁻
Permanganate
MnO₄⁻
Nitrite
NO₂⁻
Nitrate
NO₃⁻
Ammonium
NH₄⁺
Acetate
CH₃COO⁻
Chlorite
ClO₂⁻
Chlorate
ClO₃⁻
Chromate
CrO₄²⁻
Dichromate
Cr₂O₇²⁻
Hydroxide
OH⁻
Peroxide
O₂²⁻
Phosphate
PO₄³⁻
Hydrogen phosphate
HPO₄²⁻
Dihydrogen phosphate
H₂PO₄⁻
Sulfite
SO₃²⁻
Sulfate
SO₄²⁻
Hydrogen sulfite (bisulfite)
HSO₃⁻
Hydrogen sulfate (bisulfate)
HSO₄⁻