Common Polyatomic Ions, Cations, and Hydrocarbons

Vocabulary flashcards covering common polyatomic ions, metal cations with variable charges, and common hydrocarbons with their formulas and uses.

Acetate

$$C_2H_3O_2^-$$

Carbonate

$$CO_3^{2-}$$

Hydrogen carbonate (or bicarbonate)

$$HCO_3^-$$

Hydroxide

$$OH^-$$

Nitrite

$$NO_2^-$$

Nitrate

$$NO_3^-$$

Chromate

$$CrO_4^{2-}$$

Dichromate

$$Cr_2O_7^{2-}$$

Phosphate

$$PO_4^{3-}$$

Hydrogen phosphate

$$HPO_4^{2-}$$

Dihydrogen phosphate

$$H_2PO_4^-$$

Ammonium

$$NH_4^+$$

Hypochlorite

$$ClO^-$$

Chlorite

$$ClO_2^-$$

Chlorate

$$ClO_3^-$$

Perchlorate

$$ClO_4^-$$

Permanganate

$$MnO_4^-$$

Sulfite

$$SO_3^{2-}$$

Hydrogen sulfite (or bisulfite)

$$HSO_3^-$$

Sulfate

$$SO_4^{2-}$$

Hydrogen sulfate (or bisulfate)

$$HSO_4^-$$

Cyanide

$$CN^-$$

Peroxide

$$O_2^{2-}$$

Chromium(II)

$$Cr^{2+}$$

Chromium(III)

$$Cr^{3+}$$

Iron(II)

$$Fe^{2+}$$

Iron(III)

$$Fe^{3+}$$

Cobalt(II)

$$Co^{2+}$$

Cobalt(III)

$$Co^{3+}$$

Copper(I)

$$Cu^+$$

Copper(II)

$$Cu^{2+}$$

Tin(II)

$$Sn^{2+}$$

Tin(IV)

$$Sn^{4+}$$

Mercury(I)

$$Hg_2^{2+}$$

Mercury(II)

$$Hg^{2+}$$

Lead(II)

$$Pb^{2+}$$

Lead(IV)

$$Pb^{4+}$$

Methane

$$CH_4$$

Propane

$$C_3H_8$$

n-Butane

$$C_4H_{10}$$

n-Pentane

$$C_5H_{12}$$

Ethene

$$C_2H_4$$

Ethyne

$$C_2H_2$$

"n" in Hydrocarbon Names

Straight chain ("normal")