ammonium
NH4 1+
hydroxide
OH 1-
nitrite
NO2 1-
nitrate
NO3 1-
iodate
IO3 1-
hypochlorite
ClO 1-
chlorite
ClO2 1-
chlorate
ClO3 1-
perchlorate
ClO4 1-
acetate
C2H3O2 1- (CH3COO 1-)
cyanide
CN 1-
thiocyanate
SCN 1-
permanganate
MnO4 1-
bicarbonate
HCO3 1-
carbonate
CO3 2-
sulfite
SO3 2-
sulfate
SO4 2-
chromate
CrO4 2-
dichromate
Cr2O7 2-
phosphate
PO4 3-