Polyatomic ions and Molecular compounds to know!

Both are bonded by covalent bonds: Poly. ions are charged while Mol. compounds are neutral

Acetate

C₂H₃O₂^-

Carbonate

CO₃^2-

Bicarbonate

HCO₃^-

Hydroxide

OH^-

Nitrite

NO₂^-

Nitrate

NO₃^-

Chromate

CrO₄^2-

Dichromate

Cr₂O₇^2-

Phosphate

PO₄^3-

Hydrogen phosphate

HPO₄^2-

Dihydrogen Phosphate

H₂PO₄^-

Ammonium

NH₄⁺

Cyanide

CN^-

Peroxide

O₂^2-

Hypochlorite

ClO^-

Chlorite

ClO₂^-

Chlorate

ClO₃^-

Perchlorate

ClO₄^-

Permanganate

MnO₄^-

Sulfite

SO₃^2-

Sulfate

SO₄^2-

Hydrogen sulfate

HSO₃^2-

Acetylene

HCCH

Ammonia

NH₃

Benzene

C₆H₆

Glucose

C₆H₁₂O₆

Nitrogen dioxide

NO₂

Dinitrogen monoxide

N₂O

Carbon monoxide

CO

Nitrogen triiodide

NI₃

Carbon dioxide

CO₂

Phosphorus pentachloride

PCl₅

Tetraphosphorus decasulfide

P₅S₁₀

Dinitrogen Pentaoxide

N₂O₅

Phosphorus tribromide

PBr₃