Question

Write the formula for each of the following molecular compounds:

a. carbon dioxide
b. silicon tetrachloride
c. iodine tribromide
d. nitrogen dioxide

Answer 1

The formulas are CO2 for carbon dioxide, SiCl4 for silicon tetrachloride, IBr3 for iodine tribromide, and NO2 for nitrogen dioxide.

Step-by-step explanation:

To write the formula for each of these molecular compounds, we need to know the number of atoms of each element present in a molecule.

• Carbon dioxide is made up of one carbon atom and two oxygen atoms. Its formula is CO2.
• Silicon tetrachloride consists of one silicon atom and four chlorine atoms. The formula is SiCl4.
• Iodine tribromide contains one iodine atom and three bromine atoms, giving us the formula IBr3.
• For nitrogen dioxide, there is one nitrogen atom and two oxygen atoms, which makes the formula NO2.