Hydrogen
H+
Sodium
Na+
Silver
Ag+
Potassium
K+
Lithium
Li+
Ammonium
NH4+
Barium
Ba2+
Calcium
Ca2+
Copper
Cu2+
Magnesium
Mg2+
Lead
Pb2+
Zinc
Zn2+
Iron (II)
Fe2+
Aluminium
Al3+
Iron(III)
Fe3+
Chloride
Cl-
Bromide
Br-
Fluoride
F-
Iodide
I-
Hydroxide
OH-
Nitrate
No3-
Oxide
02-
Sulphide
S2-
Sulphate
SO4 2-