Italian Victor Ninov Cited by user Qcomp on 11 Nov 2022 Ninov ha studiato presso la Gesellschaft für Schwerionenforschung (GSI) in Germania.
English Isotopes of copernicium Cited by user Nergaal on 13 Feb 2012 Copernicium (Cn) is an artificial element, and thus a standard atomic mass cannot be given.