character: J.J. Thomson
topic: Discovery of Electrons
grade: 9
subject: Chemistry
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character: Robert Millikan
topic: Oil Drop Experiment
grade: 9
subject: Chemistry
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character: Michael Faraday
topic: Electrolysis and Conductivity
grade: 9
subject: Chemistry
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character: Ernest Rutherford
topic: Atomic Structure
grade: 9
subject: Chemistry
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