character: John Dalton
topic: Atomic Theory and its Relevance to the Periodic Table
grade: 11
subject: Chemistry
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character: Dmitri Mendeleev
topic: Creation of the Periodic Table
grade: 11
subject: Chemistry
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character: Marie Curie
topic: Elements and Radioactivity
grade: 11
subject: Chemistry
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character: Niels Bohr
topic: Energy Levels and Atomic Structure
grade: 11
subject: Chemistry
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