character: Atomic Structure Overview
topic: Introduction to Atomic Structure
grade: 9
subject: Chemistry
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character: Subatomic Particles
topic: Electron, Proton, and Neutron Functions
grade: 9
subject: Chemistry
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character: Atomic Models
topic: Historical Models of the Atom
grade: 9
subject: Chemistry
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character: Periodic Table
topic: Element Classification by Atomic Structure
grade: 9
subject: Chemistry
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