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The scientist who produced a visible beam in a cathode ray tube was:
AThorpe
BThurber
CThomson
DThoreau
Answer & Solution
Correct answer: C. Thomson
1. The beam bent under electric and magnetic fields.
2. That work identified the electron.
3. That scientist was J. J. Thomson.
_Source: OpenStax Chemistry 2e, Chapter 2, Atoms, Molecules, and Ions._
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