Question

Define the following terms:

(a) Molecules

Answer 1

Definition of the molecule:

• Matter is made of very small particles which can exist independently these particles are commonly called Molecules.
• The smallest unit of a pure substance which always exists independently and can retain all the chemical and physical properties of that substance is called a molecule.
• Example of a molecule$\left(\mathrm{Hydrogen}\right){\mathrm{H}}_2,$,$\mathrm{Nitrogen}\left({\mathrm{N}}_2\right),\mathrm{Sulphur}\left({\mathrm{S}}_8\right),\mathrm{Phosphorus}\left({\mathrm{P}}_4\right).$