Common Polyatomic Ions + Common Metal Ions

Dihydrogen phosphate

H₂PO₄^1-

Acetate

C₂H₃O₂^1-

Hydrogen sulfite/Bisulfite

HSO₃^1-

Hydrogen sulfate/Bisulfate

HSO₄^1-

Hydrogen carbonate/Bicarbonate

HCO₃^1-

Nitrite

NO₂^1-

Nitrate

NO₃^1-

Cyanide

CN^1-

Hydroxide

OH^1-

Permangenate

MnO₄^1-

Hypochlorite

ClO^1-

Chlorite

ClO₂^1-

Chlorate

ClO₃^1-

Perchlorate

ClO₄^1-

Hydrogen phosphate

HPO₄^2-

Oxalate

C₂O₄^2-

Sulfite

SO₃^2-

Sulfate

SO₄^2-

Carbonate

CO₃^2-

Chromate

CrO₄^2-

Dichromate

Cr₂O₇^2-

Silicate

SiO₃^2-

Phosphite

PO₃^3-

Phosphate

PO₄^3-

Ammonium

NH₄¹⁺

Copper (I)/Cuprous

Cu¹⁺

Copper (II)/Cupric

Cu²⁺

Iron (II)/Ferrous

Fe²⁺

Iron (III)/Ferric

Fe³⁺

Mercury (I)/Mercurous

Hg₂²⁺

Mercury (II)/Mercuric

Hg²⁺

Lead (II)/Plumbous

Pb²⁺

Lead(IV)/Plumbic

Pb⁴⁺

Tin (II)/Stannous

Sn²⁺

Tin (IV)/Stannic

Sn⁴⁺

Chromium (II)/Cromous

Cr²⁺

Chromium (III)/Cromic

Cr³⁺

Mangenese (II)/Manganous

Mn²⁺

Manganese (III)/Manganic

Mn³⁺

Cobalt (II)/Cobaltous

Co²⁺

Cobalt (III)/Cobaltic

Co³⁺

Zinc

Zn²⁺

Silver

Ag¹⁺