Question

In naming a binary molecular compound the number of atoms of each element present in the molecule is indicated by

Answer 1

Using prefix before the name of each element

Explanation:

When naming a binary compound the number of atoms is represented by a prefix before the name of the element.

For example:

• In CO2, the name is carbon dioxide (prefix di- meaning 2)
• In CCl4, the name is carbon tetrachloride (prefix tetra- meaning 4)
• In N2O5, the name is dinitrogen pentoxide (prefix di- and pent- meaning 2 and 5)