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J. J. Thomson discovered the electron using an experiment involving cathode rays and a magnetic field. When subjected to the magnetic field, the cathode ray was deflected. If the magnetic field was flipped, the cathode ray was deflected in the opposite direction. This proved that a cathode ray was a stream of negatively charged particles that would later be deemed electrons.

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Q: How did JJ Thompson demonstrate the existence of the electron?
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Related questions

What did JJ Thompson discover?

electron


What are facts About JJ Thompson?

J.J. Thomson was a British physicist known for discovering the electron in 1897. He was awarded the Nobel Prize in Physics in 1906 for his work on the conduction of electricity in gases. Thomson's experiments with cathode rays led to the development of the plum pudding model of the atom.


Who found the electron?

JJ tomson * * * * * Or, to spell his name correctly, JJ Thomson.


Why was JJ Thompson important?

JJ Thompson is a Famous Inventor. JJ Contributed to the Atomic Theroy.


Which particle is J J Thomson credited with discovering?

JJ Thompson Discovered The Electron(:


Who invent electron first?

An electron occurs in nature and was not invented. JJ Thompson identified the electron in 1877, it had been theorized by others, previously.


What scientist discovered electron shell in 1913?

J.J. Thomson is credited with the discovery of the electron.


What was J. J. Thomson contribution?

JJ Thompson discovered 'the electron in 1897 and he also discovered 'the proton'


What information did Jospeh John JJ Thompson discover about the atom?

J.J. Thompson discovered the electron. His atomic model is also called the plum pudding model.


Which scientist is credited with discovering the electron?

J.J Thompson discovered the electron. He also performed the Cathode Ray Tube Experiment and that told him that electrons are negative J.J Thompson discovered the electron. He also performed the Cathode Ray Tube Experiment and that told him that electrons are negative


What experiment did jj Thompson do?

J. J. Thomson observed that cathod rays are deflected by an electric field - and from this discovered the electron.


What particles did jj Thomson discover?

Electron