character: Dr. Atom
topic: Atomic Theory and Structure
grade: 9
subject: Chemistry
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character: John Dalton
topic: The development of Atomic Theory
grade: 9
subject: Chemistry
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character: Ernie Rutherford
topic: Rutherford's Gold Foil Experiment and Atomic Nucleus
grade: 9
subject: Chemistry
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character: Niels Bohr
topic: Bohr Model of the Atom
grade: 9
subject: Chemistry
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