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Born
Lived in Cheetham Hill, England by Manchester -
Married Rose Paget
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. -
Plum Pudding Model
Thomson proposed that atoms have structure similar to a plum pudding, with tiny, negatively charged electrons embedded in a positively charged substrate. -
found electrons
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. -
Awarded Nobel Prize
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Knighted
Knighted by King Edward VII. -
Famous Discovery
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. -
experiment
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. -
stopped research
Left research to become Master of Trinity College -
Died
Cambridge, United Kingdom -
bibliography
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.