NH4 (+)
ammonium
H30 (+)
hydronium
Hg2 (2+)
mercury (1)
CN (-)
cyanide
OCN (-)
cyanate
SCN(-)
thiocyanate
OH(-)
hydroxide
C2H3O2 (-)
acetate
MnO4 (-)
permanganate
NO3 (-)
nitrate
NO2(-)
nitrite
H2PO4 (-)
dihydrogen phosphate
HCO3 (-)
hydrogen carbonate or bicarbonate
HSO4(-)
hydrogen sulfate
HSO3(-)
hydrogen sulfite
ClO4 (-)
perchlorate
ClO3 (-)
chlorate
ClO2 (-)
chlorite
ClO (-)
hypochlorite
O2 (-2)
peroxide
C2O4 (-2)
oxalate
CrO4 (-2)
chromate
Cr2O7 (-2)
dichromate
HPO4 (-2)
hydrogen phosphate