Element Meitnerium (Unnilennium), Mt

The element 109, Meitnerium (symbol Mt) was synthesized in 1982 by Gottfried Munzenberg, Peter Armbruster with coworkers at the Institute for Heavy Ion Research (Gesellschaft fur Schwerionenforschung) in Darmstadt, Germany and named after Lise Meitner, the Austrian physicist. at the beginning, the name Unnilennium (symbol Une) was recommended, but in 1997, however, the name Meitnerium was accepted.