Charge
1+
Positive ions/Cations
Name of ion Formula
Ammonium
NH4+
Copper (I)
Cu+
Hydrogen
H+
Lithium
Li+
Potassium
K+
Silver
Ag+
Sodium
Na+
Charge
1-
Negative ions/Anions
Name of ion
Bromide
Chloride
Hydroxide
Fluoride
Iodide
Nitrate
Hydrogencarbonate
Formula
BrClOHFINO3HCO3-
2+
Barium
Calcium
Copper (II)
Iron (II)
Lead (II)
Magnesium
Nickel (II)
Strontium
Zinc
Ba2+
Ca2+
Cu2+
Fe2+
Pb2+
Mg2+
Ni2+
Sr2+
Zn2+
2-
Carbonate
Sulphate
Sulphite
Sulphide
Oxide
CO32SO42SO32S2O2-
3+
Aluminium
Iron (III)
Al3+
Fe3+
3-
Nitride
Phosphate
N3PO43-