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The Element Radium - Basic Physical and Historical Information ...

Discovered : by Pierre and Marie Curie in 1898 Isolated in Paris, France Origin : The name is derived from the Latin radius, meaning ray. Description : A radioactive metal found naturally in uranium ores. It was extracted from this source for many years for cancer treatment and for the luminous paint applied to clock and watch dials. Production is now as little as 100 grammes per year. Image : ...