Names and Symbols of Common Ions

Cations and Anions

ammonium

NH₄⁺

copper(I)

Cu⁺

hydrogen ion

H⁺

lithium ion

Li⁺

potassium ion

K⁺

silver ion

Ag⁺

sodium ion

Na⁺

acetate

C₂H₃O₂^-

cyanide

CN^-

perchlorate

ClO₄^-

chlorate

ClO₃^-

chlorite

ClO₂^-

hypochlorite

ClO^-

bromide

Br^-

chloride

Cl^-

barium ion

Ba²⁺

calcium ion

Ca²⁺

chromous

Cr²⁺

cupric

Cu²⁺

ferrous

Fe²⁺

plumbous

Pb²⁺

magnesium ion

Mg²⁺

nickelous

Ni²⁺

strontium ion

Sr²⁺

stannous

Sn²⁺

zinc ion

Zn²⁺

cobaltous

Co²⁺

flouride

F^-

iodide

I^-

hydroxide

OH^-

hydrogen carbonate (bicarbonate)

HCO₃^-

nitrate

NO₃^-

nitrite

NO₂^-

permanganate

MnO₄^-

carbonate

CO₃^2-

chromate

CrO₄^2-

dichromate

Cr₂O₇^2-

oxide

O^2-

aluminum ion

Al³⁺

chromic

Cr³⁺

ferric

Fe³⁺

stannic

Sn⁴⁺

plumbic

Pb⁴⁺

sulfide

S^2-

sulfate

SO₄^2-

sulfite

SO₃^2-

nitride

N^3-

phosphide

P^3-

phosphate

PO₄^3-

gold

Au⁺

hydrogen sulfate (bi-sulfate)

HSO₄^-

hydrogen sulfite (bi-sulfite)

HSO₃^-

thiocyanate

SCN^-

dihydrogen phosphate

H₂PO₄^-

dihydrogen phosphite

H₂PO₃^-

peroxide

O₂^2-

phosphite

PO₃^3-

thiosulfate

S₂O₃^2-

hydrogen phosphate

HPO₄^2-

hydrogen phosphite

H₂PO₃^-