MnO₄²⁻ — manganate
MnO₄⁻ — permanganate
NO₂⁻ — nitrite
NO₃⁻ — nitrate
O₂²⁻ — peroxide
OH⁻ — hydroxide
PO₃³⁻ — phosphite
PO₄³⁻ — phosphate
HPO₄²⁻ — monohydrogen phosphate
H₂PO₄⁻ — dihydrogen phosphate
SO₃²⁻ — sulfite
HSO₃⁻ — hydrogen sulfite (bisulfite)
SO₄²⁻ — sulfate
HSO₄⁻ — hydrogen sulfate (bisulfate)
S₂O₃²⁻ — thiosulfate
SeO₄²⁻ — selenate
SiO₃²⁻ — silicate