character: Dmitri Mendeleev
topic: Periodic Table and Its Importance in Chemistry
grade: 11
subject: Chemistry
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character: John Dalton
topic: Atomic Theory and its Relation to the Periodic Table
grade: 11
subject: Chemistry
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character: Henry Moseley
topic: The Modern Periodic Law and Atomic Number
grade: 11
subject: Chemistry
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character: Glenn T. Seaborg
topic: The Actinides and the Expansion of the Periodic Table
grade: 11
subject: Chemistry
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