The ones I need to memorize ;-;
Sulfate
SO43-
Sulfite
SO33-
Nitrate
NO31-
Nitrite
NO21-
Phosphate
PO43-
Ammonium
NH4+
Hydroxide
OH-
Carbonate
CO32-
Acetate
C4H3O21-
Hydronium
H3O+
Cyanide
CN-
Chlorate
ClO31-
Chlorite
ClO21-
Perchlorate
ClO41-
Hypochlorite
ClO1-
Bicarbonate (hydrogen carbonate)
HCO31-
Permanganate
MnO41-
Thiosulfate
S2O32-
Sulfide
S2-
Nitride
N-
Oxide
O-
Fluoride
F-
Chloride
Cl-