Chemical Nomenclature

Halogens

Group 7A elements including F, Cl, Br, and I.

Acid Anions

Anions including HCO3-, HS-, HSO4-, HSO3-, and H2PO4-.

Other Anions

Anions including SCN, CN-, and H-.

Oxyanions

Anions including ClO4-, ClO3-, ClO2-, ClO-, BrO3-, BrO2-, BrO-, IO4-, IO3-, NO3-, NO2-, OH-, C2H3O2-, and MnO4-.

Group 6A

Group of elements including O-2 and S-2.

Diatomic Elemental

O2-2.

Alkali Metals

Group 1A elements including Li+, Na+, K+, Rb+, and Cs+.

Transition Elements

Elements including Cu+, Ag+, Cr+2, Mn+2, Fe+2, Co+2, Ni+2, Cu+2, Zn+2, Cd+2, Hg2+2, Hg+2, Sn+2, and Pb+2.

Polyatomic Ions

NH4+ (Ammonium).

Alkaline Earths

Group 2A elements including Be+2, Mg+2, Ca+2, Sr+2, and Ba+2.

Group 3A

Group of elements including Al+3 and Ga+3.

Transition Elements

Elements including Cr-+3, Mn+3, Fe+3, and Co+3.