General Chemistry: Common Ions

Vocabulary practice cards focusing on chemical ion names, symbolic representations, and charges for General Chemistry Lecture 1.

Cations

Ions that have a positive charge (+), denoted as a superscript.

Anions

Ions that have a negative charge (-), denoted as a superscript.

Metathesis reactions

A type of reaction also known as double-displacement or exchange reactions.

Ammonium ion

$$NH_4^+$$

Cesium ion

$$Cs^+$$

Copper (I) or cuprous ion

$$Cu^+$$

Hydrogen ion

$$H^+$$

Lithium ion

$$Li^+$$

Potassium ion

$$K^+$$

Silver ion

$$Ag^+$$

Sodium ion

$$Na^+$$

Barium ion

$$Ba^{2+}$$

Cadmium ion

$$Cd^{2+}$$

Calcium ion

$$Ca^{2+}$$

Chromium (II) or chromous ion

$$Cr^{2+}$$

Cobalt(II) or cobaltous ion

$$Co^{2+}$$

Copper (II) or Cupric ion

$$Cu^{2+}$$

Iron (II) or ferrous ion

$$Fe^{2+}$$

Lead (II) or plumbous ion

$$Pb^{2+}$$

Magnesium ion

$$Mg^{2+}$$

Manganese (II) or manganous ion

$$Mn^{2+}$$

Mercury (I) or mercurous ion

$$Hg_2^{2+}$$

Mercury (II) or mercuric ion

$$Hg^{2+}$$

Strontium ion

$$Sr^{2+}$$

Nickel (II) ion

$$Ni^{2+}$$

Tin (II) or stannous ion

$$Sn^{2+}$$

Zinc ion

$$Zn^{2+}$$

Aluminum ion

$$Al^{3+}$$

Chromium (III) or chromic ion

$$Cr^{3+}$$

Iron (III) or ferric ion

$$Fe^{3+}$$

Tin (IV) or stannic ion

$$Sn^{4+}$$

Acetate ion

$CH_3COO^-$ or $C_2H_3O_2^-$

Bromide ion

$$Br^-$$

Hypochorite ion

$$ClO^-$$

Chlorite ion

$$ClO_2^-$$

Chlorate ion

$$ClO_3^-$$

Perchlorate ion

$$ClO_4^-$$

Chloride ion

$$Cl^-$$

Cyanide ion

$$CN^-$$

Dihydrogen phosphate ion

$$H_2PO_4^-$$

Fluoride ion

$$F^-$$

Hydride ion

$$H^-$$

Hydrogen carbonate or bicarbonate ion

$$HCO_3^-$$

Hydrogen sulfite or bisulfite ion

$$HSO_3^-$$

Hydroxide ion

$$OH^-$$

Iodide ion

$$I^-$$

Nitrate ion

$$NO_3^-$$

Nitrite ion

$$NO_2^-$$

Permanganate ion

$$MnO_4^-$$

Thiocyanate ion

$$SCN^-$$

Carbonate ion

$$CO_3^{2-}$$

Chromate ion

$$CrO_4^{2-}$$

Dichromate ion

$$Cr_2O_7^{2-}$$

Hydrogen phosphate ion

$$HPO_4^{2-}$$

Oxide ion

$$O^{2-}$$

Peroxide ion

$$O_2^{2-}$$

Sulfate ion

$$SO_4^{2-}$$

Sulfide ion

$$S^{2-}$$

Sulfite ion

$$SO_3^{2-}$$

Arsenate ion

$$AsO_4^{3-}$$

Phosphate ion

$$PO_4^{3-}$$

Nitride ion

$$N^{3-}$$