Polyatomic Ions and Metal Cations

Vocabulary flashcards covering common polyatomic ions, multivalent metal cations, and transition metal cation exceptions.

$$NH_4^+$$

Ammonium

$$NO_2^-$$

Nitrite

$$NO_3^-$$

Nitrate

$$SO_3^{2-}$$

Sulfite

$$SO_4^{2-}$$

Sulfate

$$HSO_4^-$$

Hydrogen sulfate (bisulfate is a widely used common name)

$$OH^-$$

Hydroxide

$$CN^-$$

Cyanide

$$PO_4^{3-}$$

Phosphate

$$HPO_4^{2-}$$

Hydrogen phosphate

$$H_2PO_4^-$$

Dihydrogen phosphate

$NCS^-$ or $SCN^-$

Thiocyanate

$$CO_3^{2-}$$

Carbonate

$$HCO_3^-$$

Hydrogen carbonate (bicarbonate is a widely used common name)

$ClO^-$ or $OCl^-$

Hypochlorite

$$ClO_2^-$$

Chlorite

$$ClO_3^-$$

Chlorate

$$ClO_4^-$$

Perchlorate

$$C_2H_3O_2^-$$

Acetate

$$MnO_4^-$$

Permanganate

$$Cr_2O_7^{2-}$$

Dichromate

$$CrO_4^{2-}$$

Chromate

$$O_2^{2-}$$

Peroxide

$$C_2O_4^{2-}$$

Oxalate

$$S_2O_3^{2-}$$

Thiosulfate

$$Fe^{3+}$$

Iron(III)

$$Fe^{2+}$$

Iron(II)

$$Cu^{2+}$$

Copper(II)

$$Cu^+$$

Copper(I)

$$Co^{3+}$$

Cobalt(III)

$$Co^{2+}$$

Cobalt(II)

$$Sn^{4+}$$

Tin(IV)

$$Sn^{2+}$$

Tin(II)

$$Pb^{4+}$$

Lead(IV)

$$Pb^{2+}$$

Lead(II)

$$Hg^{2+}$$

Mercury(II)

$$Hg_2^{2+}$$

Mercury(I)

$$Ag^+$$

Silver

$$Zn^{2+}$$

Zinc

$$Cd^{2+}$$

Cadmium