2.Which among the following scientists had discovered Radium? [A] Marie and Pierre Curie [B] Andre-Louis Debierne [C] Kasimir Fajans [D] Oswald Helmuth Gohring Show Answer
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.
