character: Prof. John Doe
topic: Periodic Table and Trends in Electronegativity
grade: 12
subject: Chemistry
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character: Dr. Jane Smith
topic: Understanding the Periodic Table: Trends in Atomic Radius
grade: 12
subject: Chemistry
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character: Mr. Alex Brown
topic: Electronegativity: Its Role in Chemical Bonding
grade: 12
subject: Chemistry
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character: Ms. Emily White
topic: Comparative Study of Electronegativity Across Periods and Groups
grade: 12
subject: Chemistry
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