Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Roentgenium yakatanga kugadzirwa neboka renyika dzakawanda raitungamirirwa naSigurd Hofmann paGesellschaft für Schwerionenforschung (GSI) muDarmstadt, Germany, pana December 8, 1994. Boka racho rakaputirwa nechinangwa chebismuth-209 nema nucleus akakurumidza e nickel-64 uye rakaona ma nucleus matatu eiyo isotope roentgenium-272:  Mubvunzo: Roentgenium yakatanga kugadzirwa munyika ipi?
Germany