Question

Who discovered the electron? Write the characteristics of an electron? Please also writ the characteristics ?​

Answer 1

Answer:

J. J. Thomson

British physicist

Sir Joseph John Thomson OM PRS was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be discovered.

Born: 18 December 1856, Cheetham Hill, Manchester, United Kingdom

Died: 30 August 1940, Cambridge, United Kingdom

Full name: Joseph John Thomson

Discoveries: Electron, Isotope, Subatomic particle

Awards: Nobel Prize in Physics, Copley Medal, Hughes Medal, Royal Medal, more

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Answer 2

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Who discovered the electron?

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Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray. Figure 1.

Experiments with beams of negative particles were performed in Britain by Joseph John ("J.J.") Thomson, and led to his conclusion in 1897 that they consisted of lightweight particles with a negative electric charge, nowadays known as electrons. Thomson was awarded the 1906 Nobel Prize.

Characteristics of electrons :-

• Electrons are negatively charged particles.
• They revolve around the nucleus in various energy levels.
• They can be excited to higher energy levels by absorbing energy.
• Mass of electron is 1/2000 times of proton/neutron.

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