common ions

aluminum

Al³⁺

ammonium

NH₄⁺

arsenic (III)

As³⁺

arsenic (V)

As⁵⁺

barium

Ba²⁺

bismuth (III)

Bi³⁺

bismuth (V)

Bi⁵⁺

cadmium

Cd²⁺

calcium

Ca²⁺

chromium (II)

Cr²⁺

chromium (III)

Cr³⁺

cobalt (II)

Co²⁺

cobalt (III)

Co³⁺

copper (I)

Cu⁺

copper (II)

Cu²⁺

hydrogen

H⁺

hydronium

H₃O⁺

iron (II)

Fe²⁺

iron (III)

Fe³⁺

lead (II)

Pb²⁺

lead (IV)

Pb⁴⁺

lithium

Li⁺

magnesium

Mg²⁺

manganese (II)

Mn²⁺

manganese (IV)

Mn⁴⁺

mercury (I)

Hg₂²⁺

mercury (II)

Hg²⁺

nickel (II)

Ni²⁺

potassium

K⁺

silver

Ag⁺

sodium

Na⁺

strontium

Sr²⁺

tin (II)

Sn²⁺

tin (IV)

Sn⁴⁺

zinc

Zn²⁺

arsenate

AsO₄³⁻

bromide

Br⁻

bromate (I)

BrO⁻

bromate (III)

BrO₂⁻

bromate (V)

BrO₃⁻

bromate (VII)

BrO₄⁻

carbonate

CO₃²⁻

chlorate (I)

ClO⁻

chlorate (III)

ClO₂⁻

chlorate (V)

ClO₃⁻

chlorate (VII)

ClO₄⁻

chloride

Cl⁻

chromate

CrO₄²⁻

cyanide

CN⁻

dichromate

Cr₂O₇²⁻

dihydrogen phosphate

H₂PO₄⁻

ethanoate

C₂H₃O₂⁻ or CH₃COO⁻

fluoride

F⁻

hydride

H⁻

hydrogen carbonate

HCO₃⁻

hydrogen oxalate

HC₂O₄⁻

hydrogen phosphate

HPO₄²⁻

hydrogen sulfate

HSO₄⁻

hydrogen sulfide

HS⁻

hydrogen sulfite

HSO₃⁻

hydroxide

OH⁻

iodate (I)

IO⁻

iodate (III)

IO₂⁻

iodate (V)

IO₃⁻

idoate (VII)

IO₄⁻

iodide

I⁻

manganate

MnO₄⁻

nitrate

NO₃⁻

nitride

N³⁻

nitrite

NO₂⁻

oxalate

C₂O₄²⁻

oxide

O²⁻

peroxide

O₂²⁻

phosphate

PO₄³⁻

phosphide

P³⁻

phosphite

PO₃³⁻

sulfate

SO₄²⁻

sulfite

SO₃²⁻

thiosulfate

S₂O₃²⁻

thiocyanate

SCN⁻

sulfide

S²⁻