Useful Table on Ions
Cations: Positively charged ions
Name
Hydrogen
Lithium
Sodium
Potassium
Copper(I)
Silver
Ammonium
Magnesium
Calcium
Barium
Iron(II)
Copper(II)
Zinc
Tin(II)
Lead(II)
Iron(III)
Aluminium
Formulae
H1+
Li1+
Na1+
K1+
Cu1+
Ag1+
NH41+
Mg2+
Ca2+
Ba2+
Fe2+
Cu2+
Zn2+
Sn2+
Pb2+
Fe3+
Al3+
Valency
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
Divalent
Divalent
Divalent
Divalent
Divalent
Divalent
Divalent
Divalent
Trivalent
Trivalent
Anions: Negatively charged ions
Name
Fluoride
Chloride
Bromide
Iodide
Hydride
Hydroxide
Nitrite
Nitrate
Hydrogen
carbonate
Hydrogen
sulphate
Manganate(VII)
Ethanoate
Oxide
Sulphide
Sulphite
Sulphate
Carbonate
Dichromate(VI)
Nitride
Phosphate
Formulae
F1Cl1Br1I1H1OH1NO21NO31HCO31-
Valency
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
Monovalent
HSO41-
Monovalent
MnO41CH3COO1O2S2SO32SO42CO32Cr2O72N3PO43-
Monovalent
Monovalent
Divalent
Divalent
Divalent
Divalent
Divalent
Divalent
Trivalent
Trivalent