Today in history

By Shobhna Jain | Posted on 21st Dec 2020 | देश
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Radium  was Discovered21 December 1898

 

Radium is a chemical element with the symbol Ra and atomic number 88.It  is silvery-white,

SymbolRa

DiscoverersMarie CuriePierre CurieAndré-Louis Debierne

 


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