character: Mr. Smith
topic: The Structure of Atoms
grade: 9
subject: Chemistry
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character: Mr. Jones
topic: Atomic Models in History
grade: 9
subject: Chemistry
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character: Ms. Brown
topic: Electron Configuration and Atomic Structure
grade: 9
subject: Chemistry
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character: Dr. White
topic: The Role of Protons, Neutrons, and Electrons in Atoms
grade: 9
subject: Chemistry
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