Hydrogen
H(+)
Sodium
Na(+)
Silver
Ag(+)
Potassium
K(+)
Lithium
Li(+)
Ammonium
NH4(+)
Barium
Ba(2+)
Calcium
Ca(2+)
Copper(II)
Cu(2+)
Magnesium
Mg(2+)
Zinc
Zn(2+)
Lead
Pb(2+)
Iron(II)
Fe(2+)
Iron(III)
Fe(3+)
Aluminium
Al(3+)
Chloride
Cl(-)
Bromide
Br(-)
Fluoride
F(-)
Iodide
I(-)
Hydrogen carbonate
HCO3(-)
Hydroxide
OH(-)
Nitrate
NO3(-)
Oxide
O(2-)
Sulphide
S(2-)