character: Professor Atom
topic: Reactivity Trends in Alkali Metals
grade: 12
subject: Chemistry
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character: Chemical Scholar
topic: Periodic Table Trends
grade: 12
subject: Chemistry
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character: Dr. Element
topic: Properties of Alkali Metals
grade: 12
subject: Chemistry
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character: Professor Chemistry
topic: Metal Reactivity in Group 1
grade: 12
subject: Chemistry
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