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TABLE OF COMMON IONS (6/02/03)

Valence or

Oxidation State

 

Positive Ions

(The indication ion is required)

 

Negative Ions

(The indication ion is redundant and not required)

 

 

Charge = 1 (one)

H+1 

Li+1 

Na+1 

K+1 

Cs+1

Hydrogen ion 

Lithium ion 

Sodium ion 

Potassium ion 

Cesium ion

NH4+1 

Ag+1 

Cu+1 

 

Hg2+2 

Ammonium ion 

Silver ion 

Cuprous ion or

Copper (I) 

Mercurous ion or

Mercury (I)

H-1

F-1 

Cl-1

Br-1 

I-1

NO2-1

NO3-1

Hydride ion

Fluoride ion 

Chloride ion

Bromide ion 

Iodide ion

Nitrite ion

Nitrate ion

CN-1

OH-1 

C2H3O2-1

ClO3-1

BrO3-1

ClO4-1

MnO4-1

HCO3-1

Cyanide ion

Hydroxide ion 

Acetate ion

Chlorate ion

Bromate ion

Perchlorate ion

Permanganate ion

Bicarbonate ion

(Hydrogen carbonate)

 

 

 

 

Charge = 2 (two)

Mg+2

Ca+2

Sr+2

Ba+2 

Cd+2

Zn+2

Pb+2

Magnesium ion

Calcium ion

Strontium ion

Barium ion 

Cadmium ion

Zinc ion

Lead (II) ion or

Plumbous ion

Cu+2 

Hg+2 

Mn+2 

Fe+2 

Sn+2

Cupric ion or

Copper (II) ion

Mercuric ion or

Mercury (II) ion

Manganese (II) ion

or Manganous ion

Ferrous ion or

Iron (II) ion

Tin (II) ion

Stannous ion

O-2 

S-2 

SO3-2 

SO4-2 

CO3-2

Oxide ion 

Sulfide ion 

Sulfite ion 

Sulfate ion 

Carbonate

ion

CrO4-2 

Cr2O7-2 

SeO3-2 

SeO4-2 

Se-2

Chromate ion 

Dichromate ion 

Selenite ion 

Selenate ion 

Selenide

 

Charge = 3 (three)

Al+3

Fe+3

Aluminum ion

Ferric ion or

Iron(III)

Sb+3

Antimony (III) ion or Antimonous ion

N-3

P-3

PO4-3

Nitride ion

Phosphide

Phosphate ion

AsO3-3

AsO4-3

Arsenite ion

Arsenate ion

These elements often show the following oxidation states (charges), but not as simple monoatomic atoms: Lead +4, Tin +4, Boron +3, Arsenic +3 & +5, Carbon +4 & -4, Silicon +4 tes 6/2/2003