character: Henry Moseley
topic: Rearrangement of the Periodic Table
grade: 11
subject: Chemistry
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character: Dmitri Mendeleev
topic: Periodic Law
grade: 11
subject: Chemistry
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character: Niels Bohr
topic: Atomic Structure and Periodicity
grade: 11
subject: Chemistry
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character: Glen T. Seaborg
topic: Actinide Series and the Modern Periodic Table
grade: 11
subject: Chemistry
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