character: Dr. Emily Zhang
topic: Electronegativity Trends in the Periodic Table
grade: 12
subject: Chemistry
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character: Professor John Smith
topic: Periodic Table and Chemical Properties
grade: 12
subject: Chemistry
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character: Ms. Linda Johnson
topic: Understanding Ionic and Covalent Bonds
grade: 12
subject: Chemistry
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character: Mr. Alex Turner
topic: The Role of Electronegativity in Molecular Polarity
grade: 12
subject: Chemistry
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