Question

In which year Marie Curie discovered radium metal??

Answer 1

Answer:

1898

On April 20, 1902, Marie and Pierre Curie successfully isolate radioactive radium salts from the mineral pitchblende in their laboratory in Paris. In 1898, the Curies discovered the existence of the elements radium and polonium in their research of pitchblende.

Answer 2

Answer:

1898

Explanation:

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