character: Prof. Albert Einstein
topic: Principles of Chemical Analysis
grade: 12
subject: Chemistry
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character: Marie Curie
topic: Radioactive Elements and Their Analysis
grade: 12
subject: Chemistry
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character: Dmitri Mendeleev
topic: Periodic Law and Chemical Properties
grade: 12
subject: Chemistry
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character: Linus Pauling
topic: Chemical Bonding and Molecular Structure
grade: 12
subject: Chemistry
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