acetate
C2H3O2 2-
ammonium
NH4 +
carbonate
CO3 2-
chlorate
ClO3 -
chromate
CrO4 2-
cyanide
CN −
dichromate
Cr2O7 2-
hydronium
H3O +
hydroxide
OH −
nitrate
NO3 -
oxalate
C2O4 2-
permanganate
MnO4 -
phosphate
PO4 3-
sulfate
SO4 2-
chlorite
ClO2 -
dihydrogen phosphate
H2PO4 -
hydrogen carbonate (or bicarbonate)
HCO3 -
hydrogen phosphate
HPO4 2-
hydrogen sulfate
HSO4 -
hydrogen sulfite
HSO3 -
hypochlorite
ClO -
nitrite
NO2 -
perchlorate
ClO4 -
phosphite
PO3 3-
sulfite
SO3 2-
thiosulfate
S2O3 2-