Question

what is Atom explain with the help of diagrams?​

Answer 1

Required Answer

• What is atom ?

Atoms can join together to form molecules, which in turn form most of the objects around you.

Atoms are composed of particles called protons, electrons and neutrons.

A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons.

• Discovery of Atom

John Dalton was the first to adapt Democritus' theory into the first modern atomic model.

J.J Thomson was a physicist who is credited for discovering the electron.

He used his research on cathode ray tube technology in this discovery.

• Types of Atom

• Stable.
• Isotopes.
• Radioactive.
• Ions.
• Antimatter.

• Size of Atom

An atom is one of the basic units of matter. Everything around us is made up of atoms.

An atom is a million times smaller than the thickest human hair.

The diameter of an atom ranges from about 0.1 to 0.5 nanometers (1 × 10−10 m to 5 × 10−10 m).

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