Simple Cations and Anions

Cations

Anions

Symbol

Name

Symbol

Name

H+1

Hydrogen

H-1

Hydride

Li+1

Lithium

F-1

Fluoride

Na+1

Sodium

Cl-1

Chloride

K+1

Potassium

Br-1

Bromide

Cs+1

Cesium

I-1

Iodine

Ag+

Silver

O-2

Oxide

Mg+2

Magnesium

S-2

Sulfide

Ca+2

Calcium

Se-2

Selenide

Ba+2

Barium

Te-2

Telluride

Zn+2

Zinc

N-3

Nitride

Be+2

Beryllium

P-3

Phosphide

Cd+2

Cadmium

C-4

Carbide

Sr2

Strontium

Po-2

Polonide

B+3

Boron

As-3

Arsenide

Al+3

Aluminum

 

 

Ga+3

Gallium

 

 

Pm+3

Prometheum

 

 

C+4

Carbon

 

 

Zr+4

Zirconium

 

 

Si+4

Silicon

 

 

 

 

Type II Cations

Symbol

Name

Symbol

Name

Symbol

Name

Am+2

Americum (II)

Am+3

Americum (III)

Am+4

Americum (IV)

As+3

Arsenic (III)

As+5

Arsenic (IV)

Au+1

Gold (I)

Au+3

Gold (III)

Bi+3

Bismuth (III)

Bi+5

Bismuth (IV)

Co+2

Cobalt (II)

Co+3

Cobalt (III)

Cr+2

Chromium (II)

Cr+3

Chromium (III)

Cr+6

Chromium (VI)

Cu+1

Copper (I)

Cu+2

Copper (II)

Fe+2

Iron (II)

Fe+3

Iron (III)

Hg+1

Mercury (I)

Hg+2

Mercury (II)

Ir+3

Iridium (III)

Ir+4

Iridium (IV)

Ir+5

Iridium (V)

Mn+2

Manganese (II)

Mn+4

Manganese (IV)

Mn+6

Manganese (VI)

Ni+2

Nickel (II)

Ni+3

Nickel (III)

No+2

Nobelium (II)

No+3

Nobelium (III)

Pb+2

Lead (II)

Pb+4

Lead (IV)

Sb+3

Antimony (III)

Sb+5

Antimony (V)

Sn+2

Tin (II)

Sn+4

Tin (IV)

Ti+3

Titanium (III)

Ti+4

Titanium (IV)

W+2

Tungsten (II)

W+4

Tungsten (IV)

W+6

Tungsten (VI)

 

 

 

 


 

Polyatomic Ions

Positive Ions

Symbol

Ion Name

Symbol

Ion Name

Symbol

Ion Name

NH4+1

Ammonium

NpO2+1

Neptunyl (V)

UO2+1

Uranyl (V)

VO2+1

Vanadyl (V)

Hg2+2

Mercury (I)

PuO2+2

Plutonyl (VI)

 

 

 

 

 

 

Negative Ions

Symbol

Ion Name

Symbol

Ion Name

Symbol

Ion Name

C2H3COO-1

Acetate

NH2-1

Amide

BrO3-1

Bromate

ClO3-1

Chlorate

CN-1

Cyanide

OH-1

Hydroxide

ClO-1

Hypochlorite

NO2-1

Nitrite

NO3-1

Nitrate

ClO4-1

Perchlorate

MnO4-1

Permanganate

SCN-1

Thiocyanate

VO3-1

Vanadate

HSO4-1

Hydrogen Sulfate

H2PO4-1

Dihydrogen Phosphate

ClO2-1

Chlorite

 

 

 

 

CO3-2

Carbonate

CrO2-2

Chromate

Cr2O7-2

Dichromate

HCO3-2

Hydrogen Carbonate

(bicarbonate)

HPO4-2

Hydrogen Phosphate

O2-2

Peroxide

HPO3-2

Phosphite

SiO2-2

Silicate

SeO4-2

Selenate

SO4-2

Sulfate

SO3-2

Sulfite

 

 

AsO4-3

Arsenate

BO3-3

Borate

C6H5O7-3

Citrate

PO4-3

Phosphate

 

 

 

 

SiO4-4

Orthosilicate

P2O7-4

Diphosphate

 

 

 

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