Cations and Polyatomic Ions

A set of vocabulary flashcards covering common monoatomic cations and polyatomic ions along with their systematic and common names.

$$Cr^{3+}$$

Chromium(III) or chromic

$$Co^{2+}$$

Cobalt(II) or cobaltous

$$Mn^{2+}$$

Manganese(II) or manganous

$$Ni^{2+}$$

Nickel(II) or nickel

$$Zn^{2+}$$

Zinc

$$Ag^{+}$$

Silver

$$Fe^{2+}$$

Iron(II) or ferrous

$$Cu^{+}$$

Copper(I) or cuprous

$$Cd^{2+}$$

Cadmium

$$Fe^{3+}$$

Iron(III) or ferric

$$Cu^{2+}$$

Copper(II) or cupric

$$Hg^{2+}$$

Mercury(II) or mercuric

$$Hg_2^{2+}$$

Mercury(I) or mercurous

$$NH_4^{+}$$

Ammonium

$$MnO_4^{-}$$

Permanganate

$$CN^{-}$$

Cyanide

$$NO_2^{-}$$

Nitrite

$$NO_3^{-}$$

Nitrate

$$CO_3^{2-}$$

Carbonate

$$HCO_3^{-}$$

Hydrogen carbonate (or bicarbonate)

$$C_2H_3O_2^{-}$$

Acetate

$$OH^{-}$$

Hydroxide

$$O_2^{2-}$$

Peroxide

$$C_2O_4^{2-}$$

Oxalate

$$ClO^{-}$$

Hypochlorite

$$ClO_2^{-}$$

Chlorite

$$ClO_3^{-}$$

Chlorate

$$ClO_4^{-}$$

Perchlorate

$$PO_4^{3-}$$

Phosphate

$$HPO_4^{2-}$$

Monohydrogen phosphate

$$H_2PO_4^{-}$$

Dihydrogen phosphate

$$SO_3^{2-}$$

Sulfite

$$SO_4^{2-}$$

Sulfate

$$HSO_3^{-}$$

Hydrogen sulfite (or bisulfite)

$$HSO_4^{-}$$

Hydrogen sulfate (or bisulfate)

$$CrO_4^{2-}$$

Chromate

$$Cr_2O_7^{2-}$$

Dichromate

$$S_2O_3^{2-}$$

Thiosulfate