Ions to Memorize

Aluminum ion - Al³⁺

Barium ion - Ba²⁺

Beryllium ion - Be²⁺

Bismuth ion - Bi³⁺

Cadmium ion - Cd²⁺

Calcium ion - Ca²⁺

Chromium (II) ion - Cr²⁺

Chromium (III) ion - Cr³⁺

Copper (I) ion - Cu⁺

Copper (II) ion - Cu²⁺

Iron (II) ion - Fe²⁺

Iron (III) ion - Fe³⁺

Lead (II) ion - Pb²⁺

Lead (IV) ion - Pb⁴⁺

Lithium ion - Li⁺

Magnesium ion - Mg²⁺

Manganese (II) ion - Mn²⁺

Manganese (IV) ion - Mn⁴⁺

Mercury (I) ion - Hg₂²⁺

Mercury (II) ion - Hg²⁺

Nickel ion - Ni²⁺

Potassium ion - K⁺

Silver ion - Ag⁺

Sodium ion - Na⁺

Strontium ion - Sr²⁺

Tin (II) ion - Sn²⁺

Tin (IV) ion - Sn⁴⁺

Zinc ion - Zn²⁺

Ammonium ion - NH₄⁺

Hydronium ion - H₃O⁺
Fluoride ion - F⁻

Chloride ion - Cl⁻

Bromide ion - Br⁻

Iodide ion - I⁻

Oxide ion - O²⁻

Sulfide ion - S²⁻

Nitride ion - N³⁻

Phosphide ion - P³⁻

Carbide ion - C⁴⁻

Acetate ion - C₂H₃O₂⁻

Cyanide ion - CN⁻

Carbonate ion - CO₃²⁻

Hydrogen carbonate ion (bicarbonate ion) - HCO₃⁻

Bromate ion - BrO₃⁻

Perchlorate ion - ClO₄⁻

Chlorate ion - ClO₃⁻

Chlorite ion - ClO₂⁻

Hypochlorite ion - ClO⁻

Chromate ion - CrO₄²⁻

Dichromate ion - Cr₂O₇²⁻

Hydroxide ion - OH⁻

Peroxide ion - O₂²⁻

Iodate ion - IO₃⁻

Nitrate ion - NO₃⁻

Nitrite ion - NO₂⁻

Permanganate ion - MnO₄⁻

Phosphate ion - PO₄³⁻

Phosphite ion - PO₃³⁻

Sulfate ion - SO₄²⁻

Sulfite ion - SO₃²⁻