Radium: historical information

Radium was discovered by Pierre and Marie Curie at 1898 in France. Origin of name: from the Latin word "radius" meaning "ray".

Radium was discovered in 1898 by Marie and Pierre Curie in pitchblende (or uraninite) from North Bohemia. The element was isolated in 1911 by Mme. Curie and Debierne by the electrolysis of a solution of pure radium chloride, employing a mercury cathode. On distillation in an atmosphere of hydrogen this amalgam yielded the pure metal.

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radium atomic number