What is the difference between an atom and a molecule? - Vidyadip

Question

What is the difference between an atom and a molecule?

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Answer

Atom $:$

An atom of an element is the smallest particle that exhibits the properties of that element.
Atoms generally cannot exist independently.
Example $:$ Atom of hydrogen is $H$.
It consists of sub atomic particles $-$ protons, electrons and neutrons.

Molecule $:$

A molecule is a group of two or more atoms that are chemically joined together.
Molecules can exist independently.
Example $:$ Molecule of hydrogen is $H_2$
It consists of two or more atoms of same or different elements.

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