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ammonium
NH₄+
hydronium
H₃O⁺
peroxide
O₂2-
hydroxide
OH⁻
acetate
CH₃COO⁻
cyanide
CN⁻
azide
N₃⁻
carbonate
CO₃²⁻
bicarbonate
HCO₃⁻
nitrate
NO₃⁻
nitrite
NO₂⁻
sulfate
SO₄²⁻
hydrogen sulfate
HSO₄⁻
sulfite
SO₃²⁻
hydrogen sulfite
HSO₃⁻
phosphate
PO₄³⁻
hydrogen phosphate
HPO₄2⁻
dihydrogen phosphate
H₂PO₄⁻
perchlorate
ClO₄⁻
chlorate
ClO₃⁻
chlorite
ClO₂⁻
hypochlorite
ClO⁻
chromate
CrO₄²⁻
dichromate
Cr₂O₇²⁻
permanganate
MnO₄⁻