Common Cations and Anions + Diatomic Molecules

H+

hydrogen ion

Na+

sodium ion

Ag+

silver ion

Mg²+

magnesium ion

Ca²+

calcium ion

Zn²+

zinc ion

Al³+

aluminum ion

NHv4+

ammonium ion (polyatomic)

Cu²+

copper (II)

Fe²+

iron (II)

Pb²+

lead (II)

Fe³+

iron (III)

F-

fluoride ion

Cl-

chloride ion

Br-

bromide ion

I-

iodide ion

OH-

hydroxide ion

O²-

oxide ion

s²-

sulfide ion

CHv3COO-

acetate ion

ClOv4-

perchlorate ion

NOv3-

nitrate ion

Cv3²-

carbonate ion

SOv4²-

sulfate ion

POv4³-

phosphate ion

Diatomic Molecules

Hydrogen (H2), Oxygen (O2), Nitrogen (N2), Fluorine (F2), Chlorine (Cl2), Bromine (Br2), Iodine (I2)