NH4+
ammonium ion
NO3-
nitrate ion
OH-
hydroxide ion
MoO4^2-
molybdate ion
ClO4-
perchlorate ion
ClO3-
chlorate ion
CLO-
hypochlorite ion
ClO2-
chlorite ion
SO4^2-
sulfate ion
C2H3O2-
acetate ion
CO3^2-
carbonate ion
CN-
cyanide ion
PO4^3-
phosphate ion
NO2-
nitrite ion
MnO4-
permanganate ion
CrO4^2-
chromate ion
Cr2O7^2-
dichromate ion
SO3^2-
sulfite ion
C2O4^2-
oxalate ion
H3O+
hydronium ion
Hg^2+
mercury ion
HCO3-
bicarbonate ion
HSO4-
hydrogen sulfate
S2O3^2-
thiosulfate ion