Roentgenium was first created in December 1994 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany. It is named after the physicist ...

18 дек. 2012 г. · Roentgenium was discovered on 8 th December 1994 by scientists at the Heavy Ion Research Laboratory in Darmstadt, Germany.

It was discovered in 1994 by research scientists at the Heavy Ion Research Laboratory in Darmstadt, Germany. Data Zone. Classification: Roentgenium is a ...

19 нояб. 2013 г. · Discovery: Element 111 was discovered by the Gesellschaft fur Schwerionenforschung team led by Peter Armbruster and Gottfried Münzenber in late ...