Chemistry Common Polyatomic Ions

H₂PO₄-

Dihydrogen phosphate

C₂H₃O₂-

Acetate

HSO₃-

Hydrogen sulfite or Bisulfite

HSO₄-

Hydrogen sulfate or Bisulfate

HCO₃-

Hydrogenn carbonate or bicarbonate

NO₂-

Nitrite

NO₃-

Nitrate

CN-

Cyanide

OH-

Hydroxide

MnO₄-

Permanganate

ClO-

Hypochlorite

ClO₂-

Chlorite

ClO_3-

Chlorate

ClO₄-

Perchlorate

HPO₄^2-

Hydrogen phosphate

C₂O₄^2-

Oxalate

SO₃^2-

Sulfite

SO₄^2-

Sulfate

CO₃^2-

Carbonate

CrO₄^2-

Chromate

Cr₂O₇^2-

Dichromate

SiO₃^2-

Silicate

PO₃^3-

Phosphite

PO₄^3-

Phosphate

NH₄⁺

Ammonium

Cu¹⁺

Copper(I) ion/Cuprous ion

Cu²⁺

Copper(II) ion/Cupric ion

Fe²⁺

Iron(II) ion/Ferrous ion

Fe³⁺

Iron(III) ion/Ferric ion

Hg₂²⁺

Mercury(I) ion/Mercurous ion

Hg²⁺

Mercury(II) ion/Mercuric ion

Pb²⁺

Lead(II) ion/Plumbous ion

Pb⁴⁺

Lead(IV) ion/Plumbic ion

Sn²⁺

Tin(II) ion/Stannous ion

Sn⁴⁺

Tin(IV) ion/Stannic ion

Cr²⁺

Chromium(II) ion/Chromous ion

Cr³⁺

Chromium(III) ion/Chromic ion

Mn²⁺

Manganese(II) ion/Managanous ion

Mn³⁺

Manganese(III) ion/Menganic ion

Co²⁺

Cobalt(II) ion/Cobaltous ion

Co³⁺

Cobalt(III) ion/Cobaltic ion

Zn²⁺

Zinc ion

Ag¹⁺

Silver ion