Polyatomic Ions, Molecules, and Acids

These are essential polyatomics to know for Chemistry 121

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

C₂H₃O₂

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

CH₃CH₂OH

Propane

CH₃-CH₂-CH₃

Propanol

CH₃CH₂CH₂OH