character: Gregor Mendel
topic: Genetics and inheritance patterns
grade: 9
subject: Chemistry
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character: Dmitri Mendeleev
topic: Periodic Table of Elements
grade: 9
subject: Chemistry
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character: John Dalton
topic: Atomic Theory and Models
grade: 9
subject: Chemistry
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character: Marie Curie
topic: Radioactivity and Elements
grade: 9
subject: Chemistry
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