Simple Cations
Aluminum Al3+
Barium Ba2+
Beryllium Be2+
Caesium Cs+
Calcium Ca2+
Chromium(II) Cr2+ Chromous
Chromium(III) Cr3+ Chromic
Chromium(VI) Cr6+ Chromyl
Cobalt(II) Co2+ Cobaltous
Cobalt(III) Co3+ Cobaltic
Copper(I) Cu+ Cuprous
Copper(II) Cu2+ Cupric
Copper(III) Cu3+
Gallium Ga3+
Helium He2+ (Alpha particle)
Hydrogen H+ (Proton)
Iron(II) Fe2+ Ferrous
Iron(III) Fe3+ Ferric
Lead(II) Pb2+ Plumbous
Lead(IV) Pb4+ Plumbic
Lithium Li+
Magnesium Mg2+
Manganese(II) Mn2+ Manganous
Manganese(III) Mn3+ Manganic
Manganese(IV) Mn4+ Manganyl
Manganese(VII) Mn7+
Mercury(II) Hg2+ Mercuric
Nickel(II) Ni2+ Nickelous
Nickel(III) Ni3+ Nickelic
Potassium K+
Silver Ag+
Sodium Na+
Strontium Sr2+
Tin(II) Sn2+ Stannous
Tin(IV) Sn4+ Stannic
Zinc Zn2+
Polyatomic Cations
Ammonium NH4+
Hydronium H3O+
Nitronium NO2+
Mercury(I) Hg22+ Mercurous


Simple Anions
Arsenide As3?
Azide N3?
Bromide Br?
Chloride Cl?
Fluoride F?
Hydride H?
Iodide I?
Nitride N3?
Oxide O2?
Phosphide P3?
Sulphide S2?
Peroxide O22?
Oxoanions
Arsenate AsO43?
Arsenite AsO33?
Borate BO33?
Bromate BrO3?
Hypobromite BrO?
Carbonate CO32?
Hydrogen Carbonate HCO3? Bicarbonate
Hydroxide OH?
Chlorate ClO3?
Perchlorate ClO4?
Chlorite ClO2?
Hypochlorite ClO?
Chromate CrO42?
Dichromate Cr2O72?
Iodate IO3?
Nitrate NO3?
Nitrite NO2?
Phosphate PO43?
Hydrogen Phosphate HPO42?
Dihydrogen PhosphateH2PO4?
Permanganate MnO4?
Phosphite PO33?
Sulphate SO42?
Thiosulphate S2O32?
Hydrogen Sulphate HSO4? Bisulphate
Sulphite SO32?
Hydrogen Sulphite HSO3? Bisulphite
Anions from Organic Acids
Acetate C2H3O2?
Formate HCO2?
Oxalate C2O42?
Hydrogen Oxalate HC2O4? Bioxalate
Other Anions
Hydrogen Sulphide HS? Bisulphide
Telluride Te2?
Amide NH2?
Cyanate OCN?
Thiocyanate SCN?
Cyanide CN?