character: Ms. Sarah Johnson
topic: Periodic Table: Group Trends and Their Implications
grade: 12
subject: Chemistry
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character: Mr. Alan Smith
topic: Periodic Trends: Atomic Radius and Electronegativity
grade: 12
subject: Chemistry
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character: Dr. Emily Carter
topic: Chemical Properties: Trends Within Groups
grade: 12
subject: Chemistry
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character: Mr. David Thompson
topic: Understanding Group Trends in the Periodic Table
grade: 12
subject: Chemistry
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