Ions, Cations, and Acids

Hydrogen Ion

H+

Lithium Ion

Li+

Sodium Ion

Na+

Potassium Ion

K+

Cesium ion

Cs+

Silver Ion

Ag+

Magnesium ion

Mg 2+

Calcium ion

Ca 2+

Strontium ion

Sr 2+

Barium Ion

Ba 2+

Zinc ion

Zn 2+

Aluminum ion

Al 3+

Ammonium ion

NH4 +1

Copper (II) cupric ion

Cu 2+

Iron (II) ferrous ion

Fe 2+

Mercury (II) or mercuric ion

Hg 2+

Lead (II) plumbous ion

Pb 2+

Iron (III) ferric ion

Fe 3+

Fluoride ion

F -

Chloride ion

Cl -

Bromide ion

Br -

Iodide ion

I -

Hydroxide ion

OH -

Oxide ion

O 2-

Sulfide ion

S 2-

Acetate ion

CH3COO- or C2H3O2-

Perchlorate ion

ClO4-

Nitrate ion

NO3-

Carbonate ion

CO3 2-

Sulfate ion

SO4 2-

Phosphate ion

PO4 3-

Diatomic molecules

Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, and Iodine

Nitric acid

HNO3 (polyatomic anion)

Sulfuric acid

H2SO4 (sulfate)

Acetic acid

CH3COOH (acetate)

Phosphoric acid

H3PO4 (phosphate)

Hydrochloric acid

HCl