character: Dr. Jane Foster
topic: Elements Analyst, Influence of Shielding on Alkali Metal Reactivity
grade: 12
subject: Chemistry
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character: Professor John Dalton
topic: Periodic Trends in Ionic Radii of Alkali Metals
grade: 12
subject: Chemistry
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character: Ms. Sarah Lee
topic: The Role of Electron Shielding in Chemical Properties
grade: 12
subject: Chemistry
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character: Mr. Alex Chen
topic: Understanding Reactivity Patterns in Group 1 Elements
grade: 12
subject: Chemistry
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