1.

Distinguish between a molecule and a compound.

Answer»

Molecule: 

\(\bullet\)  A molecule is the smallest particle made up of one or more than one atom in a definite ratio having stable and independent existence. 

 \(\bullet\)  e.g. Na – Mono atomic molecule O2 – Diatomic molecule P4 – Poly atomic molecule

Compound: 

 \(\bullet\)  A molecule which contains two or more atoms of different elements are called a compound molecule. 

 \(\bullet\)  e.g. CO2 – Carbon dioxide CH4 – Methane H2O – Water



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