character: Mr. Thompson
topic: Periodic Table Trends
grade: 12
subject: Chemistry
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character: Mr. Johnson
topic: Atomic Radius Trends
grade: 12
subject: Chemistry
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character: Ms. Lee
topic: Electronegativity Trends
grade: 12
subject: Chemistry
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character: Dr. Smith
topic: Ionization Energy in the Periodic Table
grade: 12
subject: Chemistry
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