Ammonium
NH₄⁺
Nitrite
NO₂⁻
Nitrate
NO₃⁻
Sulfite
SO₃²⁻
Sulfate
SO₄²⁻
Hydroxide
OH⁻
Cyanide
CN⁻
Phosphate
PO₄³⁻
Thiocyanate
NCS⁻
Carbonate
CO₃²⁻
Hydrogen Carbonate (Bicarbonate)
HCO₃⁻
Hypochlorite
ClO⁻
Chlorite
ClO₂⁻
Chlorate
ClO₃⁻
Perchlorate
ClO₄⁻
Acetate
C₂H₃O₂⁻
Permanganate
MnO₄⁻
Dichromate
Cr₂O₇²⁻
Chromate
CrO₄²⁻
Peroxide
O₂²⁻