Naming Binary Molecular Compounds Worksheet

Naming Binary Molecular Compounds

Read each question carefully and follow the instructions to correctly name the binary molecular compounds or identify their chemical formulas.

Binary molecular compounds are formed between two nonmetal elements. They are named using a system of prefixes to indicate the number of atoms of each element present in the compound. The less electronegative element is usually written first.

1. The prefix for four atoms in a binary molecular compound is  .

2. In the compound dinitrogen trioxide, the first element is   and the second element is  .

3. The suffix used for the second element in a binary molecular compound name is  .

1. What is the correct name for the compound P2O5?

2. Which of the following is the correct chemical formula for sulfur hexafluoride?

1. Name the following binary molecular compounds:

a) CO

b) N2O4

c) CCl4

2. Write the chemical formulas for the following binary molecular compounds:

a) Carbon dioxide

b) Sulfur trioxide

c) Dihydrogen monoxide

1. The prefix 'mono-' is always used for the first element if there is only one atom.

2. Binary molecular compounds contain a metal and a nonmetal.