Polyatomic Ion & Transition Metal Ion Memory List

Vocabulary flashcards covering common polyatomic ions and transition metal ions with their chemical formulas and charges.

Acetate ion

$$C_2H_3O_2^-$$

Silver ion

$$Ag^+$$

Ammonium ion

$$NH_4^+$$

Zinc ion

$$Zn^{2+}$$

Carbonate ion

$$CO_3^{2-}$$

Copper (I) ion

$$Cu^+$$

Chlorate ion

$$ClO_3^-$$

Copper (II) ion

$$Cu^{2+}$$

Chlorite ion

$$ClO_2^-$$

Iron (II) ion

$$Fe^{2+}$$

Chromate ion

$$CrO_4^{2-}$$

Iron (III) ion

$$Fe^{3+}$$

Cyanide ion

$$CN^-$$

Lead (II) ion

$$Pb^{2+}$$

Dichromate ion

$$Cr_2O_7^{2-}$$

Lead (IV) ion

$$Pb^{4+}$$

Dihydrogen phosphate

$$H_2PO_4^-$$

Mercury (I) ion

$$Hg_2^{2+}$$

Hydrogen carbonate ion (aka bicarbonate)

$$HCO_3^-$$

Mercury (II) ion

$$Hg^{2+}$$

Hydrogen phosphate (aka biphosphate)

$$HPO_4^{2-}$$

Tin (II) ion

$$Sn^{2+}$$

Hydrogen sulfate ion (aka bisulfate)

$$HSO_4^-$$

Tin (IV) ion

$$Sn^{4+}$$

Hydroxide ion

$$OH^-$$

Hypochlorite ion

$$ClO^-$$

Iodate

$$IO_3^-$$

Nitrate ion

$$NO_3^-$$

Nitrite ion

$$NO_2^-$$

Oxalate ion

$$C_2O_4^{2-}$$

Perchlorate ion

$$ClO_4^-$$

Permanganate ion

$$MnO_4^-$$

Peroxide ion

$$O_2^{2-}$$

Phosphate ion

$$PO_4^{3-}$$

Phosphite ion

$$PO_3^{3-}$$

Sulfate ion

$$SO_4^{2-}$$

Sulfite ion

$$SO_3^{2-}$$

Thiocyanate

$$SCN^-$$