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Roentgenium
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Everything about Roentgenium totally explained


   
Roentgenium (/rʌntˈdʒɛniəm/) is a chemical element in the periodic table that has the symbol Rg and atomic number 111.
   It is a synthetic element whose most stable known isotope has a mass of 283 and a half-life of ten minutes.

Official discovery

Element 111 was officially discovered by Peter Armbruster, Gottfried Münzenber, and their team working at the Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany on December 8, 1994. Only three atoms of it were observed (all 272Rg), by the cold fusion between 64Ni ions and a 209Bi target in a linear accelerator: » ,^.

Further Information

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