Meitnerium

Meitnerium
Properties
Atomic symbol	Mt
Atomic number	109
Classification	Transactinides
Atomic mass	266 amu
Other Information
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.