character: Lise Meitner
topic: Nuclear Fission and its Relation to Radioactivity
grade: 9
subject: Chemistry
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character: Marie Curie
topic: Radioactivity and Its Discoveries
grade: 9
subject: Chemistry
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character: Ernest Rutherford
topic: Transmutation and Radioactivity
grade: 9
subject: Chemistry
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character: Niels Bohr
topic: Atomic Structure and Fission
grade: 9
subject: Chemistry
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