Radium

=Radium=


 * Atomic Number:** 88


 * Protons:** 88


 * Electrons:** 88


 * Neutrons:** 138


 * Average Atomic Mass:** 226 amu


 * Isotopes:** Ra-223, Ra-224,Ra-225,Ra-226,Ra-227,Ra-228


 * Discovery:** Radium was discovered in 1898 by Marie and Pierre Curie in pitchblende.



 * Name:** Radius  (Latin) means ray. The Barium fraction containing Radium glowed in the dark!


 * Uses:** *Self-luminous paints *Neutron sources *Medical uses for the treatment of conditions such as cancer (now being replaced by 60Co sources)


 * Interesting Facts**: 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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 * Video:**

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 * Sources**
 * Photo:[| Luminous Paint on Flickr]. [|Creative Commons Advanced Search].
 * Video: [|Radium on periodic table of videos on youtube]
 * [|Radium on WebElements]
 * [|Radium uses on WebElements]
 * [|Radium Isotopes on WebElements]