character: Robert Boyle
topic: Historical Context of Elements in the Periodic Table
grade: 12
subject: Chemistry
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character: Antoine Lavoisier
topic: Foundation of Modern Chemistry and Elements
grade: 12
subject: Chemistry
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character: Dmitri Mendeleev
topic: Development of the Periodic Table
grade: 12
subject: Chemistry
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character: John Dalton
topic: Atomic Theory and Elements Classification
grade: 12
subject: Chemistry
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