Common Ions

1+Ions

Li⁺ lithium

Na⁺ sodium

K⁺ potassium

Cs⁺ cesium

Cu⁺ copper (I) or cuprous

Ag⁺ silver

Hg₂²⁺ mercury (I) or

mercurous

NH₄⁺ ammonium

H⁺ hydrogen

2+ Ions

Mg²⁺ magnesium

Ca²⁺ calcium

Ba²⁺ barium

Mn²⁺ manganese

Fe²⁺ iron (II) or ferrous

Ni²⁺ nickel (II)

Cu²⁺ copper (II) or cupric

Zn²⁺ zinc

Sn²⁺ tin (II) or stannous

Pb²⁺ lead (II)

Hg²⁺ mercury (II) or mercuric

3+ Ions

Al³⁺ aluminum

Cr³⁺ chromium (III) or chromic

Fe³⁺ iron (III) or ferric

Bi³⁺ bismuth (III)

4+ Ions

Sn⁴⁺ Tin (IV)

Pb⁴⁺ Lead (IV)

1- Ions

F^- fluoride

Cl^- chloride

Br^- bromide

I^- iodide

H^- hydride

OH^- hydroxide

NO₂^- nitrite

NO₃^- nitrate

ClO^- hypochlorite

ClO₂^- chlorite

ClO₃^- chlorate

ClO₄^- perchlorate

MnO₄^- permanganate

HCO₃^- bicarbonate

HSO₄^- bisulfate

CN^- cyanide

C₂H₃O₂^- acetate

2- Ions

O^2- oxide

S^2- sulfide

SO₃^2- sulfite

SO₄^2- sulfate

CO₃^2- carbonate

C₂O₄²- oxalate

CrO₄^2- chromate

Cr₂O₇^2- dichromate

O₂^2- peroxide

3- Ions

N^3- nitride

P^3- phosphide

PO₄^3- phosphate