Common Anions and Cations

A set of vocabulary flashcards covering common monoatomic and polyatomic cations and anions.

Ferrous

The cation $Fe^{2+}$

Ferric

The cation $Fe^{3+}$

Hydride

The monoatomic anion $H^-$

Fluoride

The monoatomic anion $F^-$

Oxide

The monoatomic anion $O^{2-}$

Chloride

The monoatomic anion $Cl^-$

Sulfide

The monoatomic anion $S^{2-}$

Iodide

The monoatomic anion $I^-$

Bromide

The monoatomic anion $Br^-$

Acetate

The polyatomic anion $C_2H_3O_2^-$

Carbonate

The polyatomic anion $CO_3^{2-}$

Chromate

The polyatomic anion $CrO_4^{2-}$

Perchlorate

The polyatomic anion $ClO_4^-$

Dichromate

The polyatomic anion $Cr_2O_7^{2-}$

Chlorate

The polyatomic anion $ClO_3^-$

Chlorite

The polyatomic anion $ClO_2^-$

Sulfite

The polyatomic anion $SO_3^{2-}$

Hypochlorite

The polyatomic anion $ClO^-$

Nitrate

The polyatomic anion $NO_3^-$

Nitrite

The polyatomic anion $NO_2^-$

Cyanide

The polyatomic anion $CN^-$

Thiocyanate

The polyatomic anion $SCN^-$

Bicarbonate (hydrogen carbonate)

The polyatomic anion $HCO_3^-$

Phosphate

The polyatomic anion $PO_4^{3-}$

Hydrogen phosphate

The polyatomic anion $HPO_4^{2-}$

Hydroxide

The polyatomic anion $OH^-$

Dihydrogen phosphate

The polyatomic anion $H_2PO_4^-$

Peroxide

The polyatomic anion $O_2^{2-}$

Permanganate

The polyatomic anion $MnO_4^-$

Ammonium

The polyatomic cation $NH_4^+$