character: Ms. Johnson
topic: Periodic Trends: Electronegativity and Ionization Energy
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Atomic Structure and Periodic Table
grade: 9
subject: Chemistry
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character: Ms. Davis
topic: Chemical Bonds and Electronegativity
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: Trends in Ionization Energy Across the Periodic Table
grade: 9
subject: Chemistry
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