Polyatomic Ions & Molecules

Chemistry

NH₄ +

Ammonium

H₃O +

Hydronium

NO₃ -

Nitrate

NO₂ -

Nitrite

OH -

Hydroxide

MnO₄ -

Permanganate

HCO₃ -

Bicarbonate (Hydrogen Carbonate)

ClO₄ -

Perchlorate

ClO₃ -

Chlorate

ClO₂ -

Chlorite

ClO - (OCl - )

Hypochlorite

CN -

Cyanide

C₂H₃O₂ -

Acetate

SCN -

Thiocyanate

H₂PO₄ -

Dihydrogen Phosphate

HSO₃ -

Hydrogen Sulfite (bisulfite)

BrO₄ -

Perbromate

BrO₃ -

Bromate

BrO₂ -

Bromite

BrO - (OBr - )

Hypobromite

IO₄ -

Periodate

IO₃ -

Iodate

IO₂ -

Iodite

IO - (OI - )

Hypoiodite

OCN -

Cyanate

CO₃^2-

Carbonate

Cr₂O₇ ^2-

Dichromate

S₂O₃^2-

Thiosulfate

CrO₄^2-

Chromate

HPO₄^2-

Hydrogen Phosphate

C₂O₄^2-

Oxalate

SO₄^2-

Sulfate

SO₃^2-

Sulfite

O₂^2-

Peroxide

C₄H₄O₆^2-

Tartrate

B₄O₇^2-

Tetraborate

SiF₆^2-  

Hexafluorosilicate ion

PO₄^3-

Phosphate

AsO₄^3-

Arsenate

BO₃^3-

Borate

PO₃^3-

Phosphite

H₂O₂

Hydrogen peroxide

NH₃

Ammonia

CH₄

Methane

C₃H₈

Propane

C₂H₅OH

Ethanol

HCN

Hydrocyanic Acid

C₆H₁₂O₆

Glucose

NO

Nitric Oxide

PH₃

Phosphine