character: Dr. Marie Curie
topic: Radioactivity and Its Effects on Matter
grade: 11
subject: Chemistry
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character: Henri Becquerel
topic: Discovery of Radioactivity
grade: 11
subject: Chemistry
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character: Ernest Rutherford
topic: Alpha and Beta Particles
grade: 11
subject: Chemistry
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character: Niels Bohr
topic: Atomic Structure and Radioactivity
grade: 11
subject: Chemistry
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