C₂O₄²⁻
oxalate
CO₃²⁻
carbonate
HCO₃⁻
hydrogen carbonate (bicarbonate)
NO₃⁻
nitrate
NO₂⁻
nitrite
SO₄²⁻
sulfate
SO₃²⁻
sulfite
S₂O₃²⁻
thiosulfate
HSO₄⁻
hydrogen sulfate (bisulfate)
HSO₃⁻
hydrogen sulfite (bisulfite)
ClO₄⁻
perchlorate
ClO₃⁻
chlorate
ClO₂⁻
chlorite
ClO⁻
hypochlorite
BrO₄⁻
perbromate
BrO₃⁻
bromate
BrO₂⁻
bromite
BrO⁻
hypobromite
IO₄⁻
periodate
IO₃⁻
iodate
IO₂⁻
iodite
IO⁻
hypoiodite
PO₄³⁻
phosphate
HPO₄²⁻
hydrogen phosphate