character: Marie Curie
topic: Nuclear Chemistry and Radioactivity
grade: 9
subject: Chemistry
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character: Dmitri Mendeleev
topic: Creation of The Periodic Table
grade: 9
subject: Chemistry
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character: John Dalton
topic: Atomic Theory and Elements
grade: 9
subject: Chemistry
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character: Robert Boyle
topic: Foundation of Modern Chemistry and Elements
grade: 9
subject: Chemistry
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