ammonium
NH₄⁺
caesium
Cs⁺
hydrogen
H⁺
lithium
Li⁺
potassium
K⁺
rubidium
Rb⁺
silver
Ag⁺
sodium
Na⁺
barium
Ba⁺
calcium
Ca⁺
cobalt (II)
Co²⁺
copper (II)
Cu²⁺
Iron (II)
Fe²⁺
lead (II)
Pb²⁺
Magnesium
Mg²⁺
manganese (II)
Mn²⁺
nickel (II)
Ni²⁺
strontium
Sr²⁺
zinc
Zn²⁺
aluminium
Al³⁺
Chromium (III)
Cr³⁺
iron (III)
Fe³⁺