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