character: Dr. White
topic: The Role of Protons, Neutrons, and Electrons in Atoms
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Understanding Atomic Structure
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Elementary Particles: Protons, Neutrons, and Electrons
grade: 9
subject: Chemistry
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character: Mrs. Taylor
topic: Chemical Bonds and Atomic Composition
grade: 9
subject: Chemistry
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