carbonate
CO3(2-)
chromate
CrO4(2-)
chromite
CrO3(-2)
dichromate
Cr2O7(-2)
manganate
MnO4(-2)
metasilicate
SiO3(-2)
oxalate
C2O4(-2)
oxide
O-2
peroxide
O2(-2)
hydrogen phosphate/secondary phosphate
HPO4(-2)
hydrogen phosphite/secondary phosphite
HPO3(-2)
sulfide
S-2
Sulfite
SO3(-2)
sulfate
So4(-2)
Thiosulfate
S2O6(-2)
tetrathionate
S4O6(2-)
pyrosulfate
S2O7(2-)
tartrate
C4H4O6(2-)
zincate
ZnO2(2-)