Marie Curie and Pierre Curie discovered two new radioactive elements which are:
Correct answer: C. Polonium and Radium
- A. Uranium and Polonium
- B. Radium and Uranium
- C. Polonium and Radium
- D. Uranium and Plutonium
Explanation
In 1898, Marie and Pierre Curie conducted pioneering research on radioactivity. Through their work, they successfully isolated and identified two previously unknown elements from pitchblende ore: polonium and radium.
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