Question

Give three differences between elements & compounds with relevant examples.

Answer 1

Three differences between elements and compounds :

Element :

1. They contain one kind of atoms only e.g. element (Na) Sodium and [Cl] chlorine.
2. The elements have their own set of properties e.g. [H] Hydrogen is combustible.
3. They cannot be broken down into two or simpler substances by physical or chemical means.

Compound :

1. They contain two or more kinds of atoms, e.g. compound — water [H₂O].
2. The Properties of compounds are entirely new i.e. water [H₂0] is a liquid and can extinguish the fire.
3. It cannot be broken down into two or simpler substances by chemical means.