ammonium
NH4^+
Cyanide
CN-
Dihydrogen phosphate
H2PO4^-
ethanoate
CH3COO-
hydrogen carbonate
HCO3^-
hydrogen sulfide
HS-
hydrogen sulfite
HSO3^-
hydrogen sulfate
HSO4^-
Hydroxide
OH-
Nitrite
NO2^-
nitrate
NO3^-
permanganate
MnO4^-
Carbonate
CO3^2-
chromate
CrO4^2-
dichromate
Cr2O7^2-
hydrogen phosphate
HPO4^2-
oxalate
C2O4^2-
Sulfite
SO3^2-
Sulfate
SO4^2-
phosphate
PO4^3-