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NH4+
ammonium
Hg2 2+
mercury(I)
CN-
cyanide
H2O2 2-
peroxide
OH-
hydroxide
C2H3O2-
acetate
NO2-
nitrite
NO3-
nitrate
MnO4-
permanganate
ClO-
hypochlorite
ClO2-
chlorite
ClO3-
chlorate
ClO4-
perchlorate
CO3 2-
carbonate
C2O4 2-
oxalate
CrO4 2-
chromate
Cr2O7 2-
dichromate
SO3 2-
sulfite
SO4 2-
sulfate
PO4 3-
phosphate