character: Periodic Pete
topic: Periodic Trends in Electron Configuration
grade: 9
subject: Chemistry
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character: Electron Explorer
topic: Understanding Electron Configurations
grade: 9
subject: Chemistry
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character: Atomic Annie
topic: Trends in the Periodic Table
grade: 9
subject: Chemistry
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character: Chemical Carl
topic: Effects of Electron Configuration on Reactivity
grade: 9
subject: Chemistry
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