Ion Memorization List

A complete set of vocabulary flashcards covering monoatomic and polyatomic ions, including charges, formulas, and definitions from the reference sheet.

Monoatomic Ion

A single atom with a charge.

Polyatomic Ion

A group of atoms with a charge.

Hydrogen ion

$$H^+$$

Lithium ion

$$Li^+$$

Sodium ion

$$Na^+$$

Potassium ion

$$K^+$$

Rubidium ion

$$Rb^+$$

Cesium ion

$$Cs^+$$

Francium ion

$$Fr^+$$

Beryllium ion

$$Be^{2+}$$

Magnesium ion

$$Mg^{2+}$$

Calcium ion

$$Ca^{2+}$$

Strontium ion

$$Sr^{2+}$$

Barium ion

$$Ba^{2+}$$

Radium ion

$$Ra^{2+}$$

Aluminum ion

$$Al^{3+}$$

Gallium ion

$$Ga^{3+}$$

Silver ion

$$Ag^+$$

Cadmium ion

$$Cd^{2+}$$

Zinc ion

$$Zn^{2+}$$

Fluoride

$$F^-$$

Chloride

$$Cl^-$$

Bromide

$$Br^-$$

Iodide

$$I^-$$

Hydride

$$H^-$$

Oxide

$$O^{2-}$$

Sulfide

$$S^{2-}$$

Selenide

$$Se^{2-}$$

Nitride

$$N^{3-}$$

Phosphide

$$P^{3-}$$

Arsenide

$$As^{3-}$$

Carbide

$$C^{4-}$$

Silicide

$$Si^{4-}$$

Copper (I)

$$Cu^+$$

Copper (II)

$$Cu^{2+}$$

Iron (II)

$$Fe^{2+}$$

Iron (III)

$$Fe^{3+}$$

Lead (II)

$$Pb^{2+}$$

Lead (IV)

$$Pb^{4+}$$

Tin (II)

$$Sn^{2+}$$

Tin (IV)

$$Sn^{4+}$$

Manganese (II)

$$Mn^{2+}$$

Manganese (III)

$$Mn^{3+}$$

Manganese (IV)

$$Mn^{4+}$$

Titanium (II)

$$Ti^{2+}$$

Titanium (III)

$$Ti^{3+}$$

Titanium (IV)

$$Ti^{4+}$$

Chromium (II)

$$Cr^{2+}$$

Chromium (III)

$$Cr^{3+}$$

Chromium (VI)

$$Cr^{6+}$$

Cobalt (II)

$$Co^{2+}$$

Cobalt (III)

$$Co^{3+}$$

Ammonium

$$NH_4^+$$

Hydronium

$$H_3O^+$$

Acetate

$$C_2H_3O_2^-$$

Nitrate

$$NO_3^-$$

Nitrite

$$NO_2^-$$

Permanganate

$$MnO_4^-$$

Hydroxide

$$OH^-$$

Cyanide

$$CN^-$$

Perchlorate

$$ClO_4^-$$

Chlorate

$$ClO_3^-$$

Chlorite

$$ClO_2^-$$

Hypochlorite

$$ClO^-$$

Hydrogen carbonate (bicarbonate)

$$HCO_3^-$$

Carbonate

$$CO_3^{2-}$$

Chromate

$$CrO_4^{2-}$$

Dichromate

$$Cr_2O_7^{2-}$$

Sulfate

$$SO_4^{2-}$$

Sulfite

$$SO_3^{2-}$$

Phosphate

$$PO_4^{3-}$$

Phosphite

$$PO_3^{3-}$$