Question

7. Name the following compounds and also name the elements present in each of them. (You can ignore the numbers when naming these compounds.)

i. $\mathrm{FeO}$

Answer 1

Part 1: Definition of compound:

A compound is defined as a pure substance that is made up of two or more elements in a fixed ratio by mass.

Part 2: Name of $\mathrm{FeO}$:

• Elements combine with oxygen to form oxides.
• The name of $\mathrm{FeO}$ is Iron oxide.
• The elements present in $\mathrm{FeO}$ are iron $\left(\mathrm{Fe}\right)$ and oxygen $\left(\mathrm{O}\right)$.

Hence, the name of $\mathrm{FeO}$ is Iron oxide.