Question

2. Define the following terms:

ii. Compound

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.
• A compound can be separated into its constituents by chemical means.

Part 2: Examples of compound:

• Water $\left({\mathrm{H}}_2\mathrm{O}\right)$ is a compound that is formed when two atoms of hydrogen $\left(\mathrm{H}\right)$ combine with one atom of oxygen $\left(\mathrm{O}\right)$.
• Carbon dioxide $\left({\mathrm{CO}}_2\right)$ is a compound that is formed when one atom of carbon $\left(\mathrm{C}\right)$ combines with two atoms of oxygen $\left(\mathrm{O}\right)$.