Competititve Exams Materials
(Q) Who discovered the radioactive element radium ?
A) Ernest Rutherford
B) Wilhelm Röntgen
C) Marie Curie
D) Niels Bohr
Explanation : Marie Curie and her husband Pierre Curie discovered the radioactive elements radium and polonium in 1898.
B) Wilhelm Röntgen
C) Marie Curie
D) Niels Bohr
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C) Marie CurieExplanation : Marie Curie and her husband Pierre Curie discovered the radioactive elements radium and polonium in 1898.
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Inventions and Discoveries, Marie Curie
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