Generally we all use these terms interchangeably but there are some differences. Let’s discuss it.

Before we discuss these terms 1st we have to understand what is proton, electron & neutron. Simply

proton – positively charged particles.

Electron – Negatively charged particles.

Neutron – Neutral charge particles.

ATOM

Proton & Neutron present inside the nucleus, while the electron revolving around it. It is the basic unit of a matter.

ELEMENT

An element is made up of same type of atom. These are represented using symbols. There are 118 elements are present & they are classified as metal, non metal & metalloids. Ex – H, C, N, O

MOLECULE

These are the substances made up two or more than same types of elements linked via chemical bond. Ex – O=O

COMPOUND

Compound contains two or more than two types of different emements in a fixed ratio joined chemically. Ex- H2SO4

Atom — Element — Molecule (same type of element) — Compound( different types of element).

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