Molecular Compounds

Molecular Compounds

• molecules are diatomic 
• 2 of the same elements: H2, N2, O2, F2, Cl2, Br2, I2
• 2 molecules are polyatomic: S8, P4

Naming Molecular Compounds

• use the name of the first element
• second element ends in -ide
• 1st atom usually doesn't have a prefix EX. CO2 -> carbon dioxide
• hydrogen doesnt have a prefix EX. H2S -> hydrogen sulfide

More examples:

HBr -> hydrogen bromide

KI -> potassium iodide

H20 -> dihydrogen oxide

Naming Acids and Bases

• hydrogen compounds are acids

EX. 

HCl -> hydrochloric acid

H2SO4 -> sulfuric acid

Naming Bases

• cation and OH

EX.

Na(OH) -> sodium hydroxide

Ba(OH)2 -> barium hydroxide

Sofia Nguyen