Naming Molecules. Naming Binary Molecular Compounds. Binary molecular compounds consist of two elements combined together with a covalent bond. When Naming a Binary Compound. Follow these rules for naming a chemical formula:
Binary molecular compounds consist of two elements combined together with a covalent bond.
Please write these down and memorize them.
Note to avoid using the prefix mono on the first element.
Note: avoid awkward pronunciation by dropping the “O”.
Formula Common Name Molecular Comp. Name
H2O Water dihydrogen monoxide
NH3 ammonia nitrogen trihydride
N2H4 Hydrazine dinitrogentetrahydride
N2O Nitrous oxide dinitrogen monoxide
NO nitric oxide nitrogen monoxide