OH-
hydroxide
CN-
cyanide
SCN-
thicynate
HCO3-
bicarbonate
HSO3-
bisulfite
HSO4-
bisulfate
C2H3O2-
acetate
NO2-
nitrite
NO3-
nitrate
MnO4-
permanganate
ClO-
hypochlorite
ClO2-
chlorite
ClO3-
chlorate
ClO4-
perchlorate
O2^2-
peroxide
CO3^2-
carbonate
SO3^2-
sulfite
SO4^2-
sulfate
S2O3^2-
thiosulfate
C2O4^2-
oxalate
CrO4^2-
chromate
Cr2O7^2-
dichromate
PO3^3-
phosphite
PO4^3-
phosphate
NH4+
ammonium
Hg2^2+
mercury