character: Mr. Robert Brown
topic: The Law of Conservation of Mass
grade: 11
subject: Chemistry
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character: Mr. Isaac Newton
topic: Basic Principles of Chemistry
grade: 11
subject: Chemistry
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character: Mrs. Marie Curie
topic: Atomic Theory and its Development
grade: 11
subject: Chemistry
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character: Dr. John Dalton
topic: Dalton's Law of Partial Pressures
grade: 11
subject: Chemistry
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