aluminium

Al³⁺

lead(IV)

Pb⁴⁺

ammonium

NH₄⁺

lithium

Li⁺

barium

Ba²⁺

magnesium

Mg²⁺

calcium

Ca²⁺

manganese (II)

Mn²⁺

caesium

Cs⁺

mercury (I)

Hg₂²⁺

chromium (II)

Cr²⁺

mercury (II)

Hg²⁺

chromium (III)

Cr³⁺

nickel(II)

Ni²⁺

copper (I)

Cu⁺

potassium

K⁺

copper (II)

Cu²⁺

silver

Ag⁺

hydrogen

H⁺

sodium

Na⁺

iron (II)

Fe²⁺

tin (II)

Sn²⁺

iron (III)

Fe³⁺

tin (IV)

Sn⁴⁺

lead (II)

Pb²⁺

zinc

Zn²⁺

COMMON NEGATIVE IONS (ANIONS)

acetate

CH₃COO^-

nitride

N^3-

bromide

Br^-

nitrite

NO₂^-

carbonate

CO₃^2-

oxalate

C₂O₄^2-

hydrogen carbonate

HCO₃^-

oxide

O^2-

chlorate

ClO₃^-

permanganate

MnO₄^-

perchlorate

ClO₄^-

phosphide

P^3-

chloride

Cl^-

phosphate

PO₄^3-

chlorite

ClO₂^-

(mono)hydrogen phosphate

HPO₄^2-

hypochlorite

ClO^-

dihydrogen phosphate

H₂PO₄^-

chromate

CrO₄^2-

sulphate

SO₄^2-

dichromate

Cr₂O₇^2-

hydrogen sulphate

HSO₄^-

cyanide

CN^-

sulphide

S^2-

fluoride

F^-

hydrogen sulphide

HS^-

hydride

H^-

sulphite

SO₃^2-

hydroxide

OH^-

hydrogen sulphite

HSO₃^-

iodide

I^-

thiocyanate

SCN^-

nitrate

NO₃^-

thiosulphate

S₂O₃^2-