By Team Aakash Byju's

Electrons, Protons & Neutrons?

Who Discovered

A subatomic particle is a particle that forms an atom which can be either a composite particle or an elementary particle.

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The three subatomic particles are named Electrons, Protons and Neutrons.

An electron is a subatomic particle whose electric charge is negative. This can be either free or bound to the nucleus.

In 1897 English physicist J.J. Thomson discovered the presence of electrons.

The electron was discovered during an experiment using cathode ray.

A proton is a subatomic particle found in the nucleus with a positive electrical charge.

The proton was discovered by Ernest Rutherford in 1917.

During the gold-foil experiment, Ernest Rutherford detected the hydrogen nucleus which he later named the Proton.

A neutron is a subatomic particle without any electrical charge.

Neutrons were discovered by British physicist Sir James Chadwick in May 1932.

The firing of alpha radiation at a beryllium sheet from a polonium source led to the discovery of neutrons.

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