Polyatomic Ions, Molecules, and Acids

These are essential polyatomics to know for Chemistry 121

Nitrate

Nitrate

NO_{3}^{-}

Nitrite

NO_{2}^{-}

Carbonate

CO_{3}^{2-}

Bicarbonate (hydrogen carbonate)

HCO_{3}^{-}

Phosphate

PO_{4}^{3-}

Hydrogen Phosphate

HPO_{4}^{2-}

Acetate

C_{2}H_{3}O_{2}^{-}

Hydroxide

OH^{-}

Cyanide

CN^{-}

Peroxide

O_{2}^{2-}

Sulfate

SO_{4}^{2-}

Sulfite

SO_{3}^{2-}

Bisulfate (hydrogen sulfate)

HSO_{4}^{-}

Perchlorate

ClO_{4}^{-}

Chlorate

ClO_{3}^{-}

Chlorite

ClO_{2}^{-}

Hypochlorite

ClO^{-}

Chromate

CrO_{4}^{2-}

Dichromate

Cr_{2}O_{7}^{2-}

Permangante

MnO_{4}^{-}

Ammonium

NH_{4}^{+}

Hydronium

H_{3}O^{+}

Dihydrogen Phosphate

H_{2}PO_{4}^{-}

Phosphite

PO_{3}^{3-}

Water

H_{2}O

Ammonia

NH_{3}

Hydrogen Sulfide

H_{2}S

Hydrofluoric acid

Anion: Fluoride

HF

Hydrochloric acid

Anion: Chloride

HCl

Hydrobromic acid

Anion: Bromide

HBr

Hydroiodic acid

Anion: Iodide

HI

Chloric acid

Anion: Chlorate

HClO₃

Perchloric acid

Anion: Perchlorate

HClO₄

Nitric acid

Anion: Nitrate

HNO₃

Sulfuric acid

Anion: Sulfate

H₂SO₄

Acetic acid

Anion: Acetate

C₂H₄O₂

Methane

CH₄

Ethane

CH₃- CH₃

Ethanol

CH₃CH₃OH

Propane

CH₃-CH₂-CH₃