H    Hydrogen

Li   Lithium

Na  Sodium

K    Potassium

Rb  Rubidium

Cs  Cesium

Fr   Francium

Be    Beryllium

Mg    Magnesium

Ca    Calcium

Sr     Strontium

Ba    Barium

Ra    Radium

B     Boron

C     Carbon

Si    Silicon

Negative Charge

Monatomic Ions

-1

-2

-3

-4

F     Fluoride

Cl    Chloride

Br    Bromide

I      Iodide

At    Astatide

H     Hydride

O     Oxide

S      Sulfide

Se    Selenide

Te    Telluride

N     Nitride

P     Phosphide

As    Arsenide

C    Carbide

Si     Silicide

Cu⁺¹    Copper(I)

Cu⁺²    Copper(II)

Sn⁺²    Tin(II)

Sn⁺⁴    Tin(IV)

Fe⁺²     Iron(II)

Fe⁺³     Iron(III)

Hg₂⁺²     Mercury(I)

Hg⁺²      Mercury(II)

Pb⁺²     Lead(II)

Pb⁺⁴     Lead(IV)

Ch⁺²     Chromium(II)

Ch⁺³     Chromium(III)

constant charge transition metals

(roman Numerals not used)

Ag⁺¹     Silver

Al⁺³       Aluminum

Cd⁺²      Cadmium

Zn⁺²      Zinc

Polyatomic Ions

Positive Charge

NH₄⁺¹     ammonium

H₃O⁺¹     hydronium

Polyatomic Ions

Negative 1 charge

(-1)

C₂H₃0₂   acetate

BrO₃      bromate

ClO       hypochlorite

ClO₂     chlorite

ClO₃     chlorate

ClO₄     perchlorate

NO₂     nitrite

NO₃     nitrate

OH      hydroxide

MnO₄    permanganate

HCO₃    hydrogen carbonate (bicarbonate)

Polyatomic Ions

Negative 2 charge

(-2)

CO₃     carbonate

CrO₄    chromate

Cr₂O₇   dichromate

C₂O₄    oxalate

O₂       peroxide

SO₄     sulfate

SO₃     sulfite

Polyatomic Ions

Negative 3 charge

(-3)

PO₄     phosphate