character: Professor ChemisTree
topic: Trends in Element Properties
grade: 11
subject: Chemistry
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character: Dr. Atomica
topic: Periodic Table Predictions
grade: 11
subject: Chemistry
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character: Sir Reacts-a-Lot
topic: Reactivity Trends in Groups
grade: 11
subject: Chemistry
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character: Ms. Molecule
topic: Atomic Size and Electronegativity Trends
grade: 11
subject: Chemistry
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