all chem valences*

*that cannot just be determined from the periodic table

ammonium

NH₄⁺¹

mercury(I)

Hg₂⁺²

copper(I)

Cu⁺¹

copper(II)

Cu⁺²

iron(II)

Fe⁺²

iron(III)

Fe⁺³

lead(II)

Pb⁺²

lead(IIII)

Pb⁺⁴

manganese(II)

Mn⁺²

manganese(IIII)

Mn⁺⁴

tin(II)

Sn⁺²

tin(IIII)

Sn⁺⁴

mercury(II)

Hg⁺²

gold

Au⁺³

silver

Ag⁺¹

cobalt(II)

Co⁺²

cobalt(III)

Co⁺³

zinc

Zn⁺²

nickel(II)

Ni⁺²

nickel(III)

Ni⁺³

aluminum

Al⁺³

platinum

Pt⁺⁴

cadmium

Cd⁺²

carbonate

CO₃^-2

chromate

CrO₄^-2

dichromate

Cr₂O₇^-2

peroxide

O₂^-2

hydroxide

OH^-1

bicarbonate

HCO₃^-1

nitrate

NO₃^-1

nitrite

NO₂^-1

phosphate

PO₄^-3

sulfate

SO₄^-2

sulfite

SO₃^-2

bisulfate

HSO₄^-1

acetate

CH₃COO^-1

chlorate

ClO₃^-1

permanganate

MnO₄^-1

oxalate

C₂O₄^-2