ammonium ion
NH4 +
mercury(I) ion
Hg2 2+
Acetate ion
C2H3O2 - Or CH3CO2
Chlorite ion
ClO2 -
Hydroxide ion
OH -
Nitrate ion
NO3 -
Perchlorate ion
ClO4 -
Chlorate ion
ClO3 -
Cyanide ion
CN -
Hypochlorite ion
ClO -
Nitrite ion
NO2 -
Permanganate ion
MnO4 -
Carbonate ion
CO3 2-
Oxalate ion
C2O4 2-
Sulfite ion
SO3 2-
Chromate ion
CrO4 2-
Sulfate ion
SO4 2-
Thiosulfate ion
S2O3 2-
Arsenate ion
AsO4 3-
Phosphate ion
PO4 3-
If the element has another oxyanion with one less oxygen then the -ate form, what does the suffix change to?
Change the suffix from -ate to -ite.
If the element has another oxyanion with one less oxygen then the -ite form, what happens?
The prefix hypo- is added
If the element has another oxyanion with one MORE oxygen then the -ate form, what happens?
The prefix per- is added