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Hg₂²⁺
Mercury (I)
NH₄⁺
Ammonium
NO₂⁻
Nitrite
NO₃⁻
Nitrate
SO₃²⁻
Sulfite
SO₄²⁻
Sulfate
HSO₄⁻
Bisulfate
OH⁻
Hydroxide
CN⁻
Cyanide
PO₄³⁻
Phosphate
HPO₄²⁻
Hydrogen phosphate
H₂PO₄⁻
Dihydrogen phosphate
NCS⁻ or SCN⁻
Thiocyanate
CO₃²⁻
Carbonate
HCO₃⁻
Bicarbonate
ClO⁻ or OCl⁻
Hypochlorite
ClO₂⁻
Chlorite
ClO₃⁻
Chlorate
ClO₄⁻
Perchlorate
C₂H₃O₂⁻
Acetate
MnO₄⁻
Permanganate
Cr₂O₇²⁻
Dichromate
CrO₄²⁻
Chromate
O₂²⁻
Peroxide
C₂O₄²⁻
Oxalate
S₂O₃²⁻
Thiosulfate