character: Professor Proton
topic: The Basics of Atomic Theory
grade: 11
subject: Chemistry
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character: Professor Proton
topic: The Structure of Atoms
grade: 11
subject: Chemistry
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character: Professor Proton
topic: Periodic Table and Element Properties
grade: 11
subject: Chemistry
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character: Professor Proton
topic: Chemical Bonds and Reactions
grade: 11
subject: Chemistry
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