character: Ernest Rutherford
topic: Gold Foil Experiment and Discovery of the Nucleus
grade: 9
subject: Chemistry
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character: Niels Bohr
topic: Atomic Structure and Bohr Model
grade: 9
subject: Chemistry
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character: J.J. Thomson
topic: Discovery of the Electron and Plum Pudding Model
grade: 9
subject: Chemistry
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character: James Chadwick
topic: Discovery of the Neutron
grade: 9
subject: Chemistry
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