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Thursday 5 September 2013

Names, formulas and charges of the most common ions

Names, formulas and charges
of the most common ions

Positive Ions (cations)
Aluminum Al 3+ 
Ammonium NH4 +
Antimony (III) Sb3+
Antimony (V) Sb5+
Arsenic (III) As3+
Arsenic (V) As5+
Barium Ba2+
Beryllium Be2+
Bismuth (III) Bi3+
Bismuth (V) Bi5+
Cadmium Cd2+
Calcium Ca 2+ 
Chromium (II) Cr 2+ 
Chromium (III) Cr 3+ 
Cobalt (II) Co 2+ 
Cobalt (III) Co 3+ 
Copper (I) Cu
Copper (II) Cu 2+ 
Hydrogen, hydronium ** H + , H3O
Iron (II) Fe 2+ 
Iron (III) Fe 3+ 
Lead (II) Pb 2+ 
Lead (IV) Pb 4+ 
Lithium Li
Magnesium Mg 2+ 
Manganese (II) Mn 2+ 
Manganese (IV) Mn 4+ 
Mercury (I)* Hg2 2+ 
Mercury (II) Hg 2+ 
Nickel Ni 2+ 
Oxonium ** H3O
Potassium K
Scandium Sc 2+ 
Silver Ag +
Sodium Na
Strontium Sr 2+ 
Tin (II) Sn 2+ 
Tin (IV) Sn 4+ 
Zinc Zn 2+ 
* Mercury (I) ions occur as groups of 2,
its symbol is Hg2and its total charge is +2.
** The use of "Oxonium" is recommanded
instead of hydronium or hydroxonium.



Negative Ions (anions)
Acetate CH3COO-
Borate BO3 3-
Bromate BrO3 -
Bromide Br -
Carbonate CO3 2-
Chlorate ClO3 -
Chloride Cl -
Chlorite ClO2-
Chromate CrO42-
Cyanamide CN22-
Cyanide CN-
Dichromate Cr2O72-
Dihydrogen phosphate H2PO4-
Ferricyanide Fe(CN)63-
Ferrocyanide Fe(CN)64-
Fluoride F -
Hydrogen carbonate HCO3-
Hydrogen phosphate HPO42-
Hydrogen sulfate HSO4-
Hydrogen sulfide HS-
Hydrogen sulfite HSO3-
Hydride H-
Hydroxide OH-
Hypochlorite ClO-
Iodate IO3 -
Iodide I -
Nitrate NO3-
Nitride N3-
Nitrite NO2-
Oxalate C2O42-
Oxide O2-
Perchlorate ClO4-
Permanganate MnO4-
Peroxide O22-
Phosphate PO43-
Phosphide P3-
Phosphite PO33-
Silicate SiO44-
Stannate SnO32-
Stannite SnO22-
Sulfate SO42-
Sulfide S2-
Sulfite SO32-
Tartrate C4H4O62-
Thiocynate SCN-

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