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Lived in Cheetham Hill, England by Manchester
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Had one daughter Joan, and a son George Paget Thomson, who went on to become a physicist and win a Nobel Prize of his own.
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Thomson proposed that atoms have structure similar to a plum pudding, with tiny, negatively charged electrons embedded in a positively charged substrate.
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JJ. Thomson determined that all matter is made up of tiny particles that are much smaller than atoms. Originally called these particles 'corpuscles,' but they are now called electrons. This discovery upended the prevailing theory that the atom was the smallest fundamental unit.
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Knighted by King Edward VII.
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He discovered that neon was composed of two different kinds of atoms, and proved the existence of isotopes in a stable element. First use of mass spectrometry.
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he channeled a stream of ionized neon through a magnetic and an electric field and used deflection techniques to measure the charge to mass ratio.
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Left research to become Master of Trinity College
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Cambridge, United Kingdom
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Source 1 - “J.J. Thomson.” Biography.com, A&E Networks Television, 20 Sept. 2017, www.biography.com/people/jj-thomson-40039. Source 2-“Plum Pudding Model.” Annenberg Learner, www.learner.org/courses/physics/glossary/definition.html?invariant=plum_pudding.