hydronium
H₃O⁺
mercury (I)
Hg₂²⁺
ammonium
NH₄⁺
acetate
C₂H₃O₂⁻
acetate
CH₃COO⁻
cyanide
CN⁻
carbonate
CO₃²⁻
hydrogen carbonate
HCO₃⁻
oxalate
C₂O₄²⁻
hypochlorite
ClO⁻
chlorite
ClO₂⁻
chlorate
ClO₃⁻
perchlorate
ClO₄⁻
chromate
CrO₄²⁻
dichromate
Cr₂O₇²⁻
permanganate
MnO₄⁻
nitrite
NO₂⁻
peroxide
O₂²⁻
hydroxide
OH⁻
phosphate
PO₄³⁻
thiocyanate
SCN⁻
nitrate
NO₃⁻
sulfite
SO₃²⁻
sulfate
SO₄²⁻
hydrogen sulfate
HSO₄⁻
thiosulfate
S₂O₃²⁻