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Who discovered radioactivity: Marie Curie or Henri Becquerel?

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Marie Curie Radioactivity
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What Did Marie Curie Discover?

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The phenomenon of radioactivity is not affected by pressure, temperature, chemical changes etc. The electrons orbiting around the nucleus are not responsible for the phenomenon of radioactivity. Both of these particles are never emitted simultaneously. At a time, an atom will not emit more than one alpha particle or more than one beta particle.

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(–). Polish-born French physicist Marie Curie was famous for her work on radioactivity and twice a winner of the Nobel Prize. With Henri Becquerel and her husband, Pierre Curie, she was awarded the Nobel Prize for Physics. She was the sole winner of the Nobel Prize for Chemistry.

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Marie Curie was a Polish-French scientist who won two Nobel prizes. Her work focused on radioactivity, which is a property of some chemical elements. (Radioactive elements give off unending rays of energy.)Curie helped to discover two radioactive elements, polonium and radium. She also successfully isolated, or separated, radium from the rock in which it is found.

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