character: Marie Curie
topic: The Chemistry of Radium
grade: 9
subject: Chemistry
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character: Marie Curie
topic: Radioactivity and Its Discovery
grade: 9
subject: Chemistry
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character: Marie Curie
topic: Applications of Radium in Medicine
grade: 9
subject: Chemistry
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character: Marie Curie
topic: The Periodic Table and Elements Research
grade: 9
subject: Chemistry
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