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Name Meitnerium
Symbol Mt
Atomic number 109
Atomic mass 266 amu
Normal state Presumed to be a Solid
Classification Transactinides
Crystal structure Unknown
Color Unknown
Date of discovery 1982
Name of discoverer Peter Armbruster and Gottfried Munzenber
Name origin Named after Lise Meitner, a Swedish physicist who first split the nucleus of uranium, thus creating what her team dubbed "fission".
Uses None.
Obtained from Synthetically produced by bombarding a 209Bi with 58Fe nuclei. Only a few atoms have ever been produced.