Common Anions and Cations

A vocabulary review set covering common monoatomic cations, monoatomic anions, and polyatomic ions along with their formulas and names.

$$H^+$$

hydrogen

$$Li^+$$

lithium

$$Na^+$$

sodium

$$K^+$$

potassium

$$Zn^{2+}$$

zinc

$$Fe^{2+}$$

ferrous

$$Ca^{2+}$$

calcium

$$Al^{3+}$$

aluminum

$$Ba^{2+}$$

barium

$$Ag^+$$

silver

$$Mg^{2+}$$

magnesium

$$Fe^{3+}$$

ferric

$$H^-$$

hydride

$$F^-$$

fluoride

$$Cl^-$$

chloride

$$I^-$$

iodide

$$O^{2-}$$

oxide

$$S^{2-}$$

sulfide

$$Br^-$$

bromide

$$C_2H_3O_2^-$$

acetate

$$CrO_4^{2-}$$

chromate

$$Cr_2O_7^{2-}$$

dichromate

$$SO_4^{2-}$$

sulfate

$$SO_3^{2-}$$

sulfite

$$NO_3^-$$

nitrate

$$CN^-$$

cyanide

$$HCO_3^-$$

bicarbonate (hydrogen carbonate)

$$HPO_4^{2-}$$

hydrogen phosphate

$$H_2PO_4^-$$

dihydrogen phosphate

$$MnO_4^-$$

permanganate

$$CO_3^{2-}$$

carbonate

$$ClO_4^-$$

perchlorate

$$ClO_3^-$$

chlorate

$$ClO_2^-$$

chlorite

$$ClO^-$$

hypochlorite

$$NO_2^-$$

nitrite

$$SCN^-$$

thiocyanate

$$PO_4^{3-}$$

phosphate

$$OH^-$$

hydroxide

$$O_2^{2-}$$

peroxide

$$NH_4^+$$

ammonium