109

Mt

Meitnerium
[ 276 ]
 Historical Information

In August 1982 the first atom of the element meitnerium with atomic number 109 was detected at the Gesellschaft fur Schwerionenforschung (GSI) in Darmstadt, Germany. The isotope of element 109 which was discovered has an atomic mass number of 266 (that is, 266 times heavier than hydrogen).

Basic Information Shells
  • Name:Meitnerium
  • Symbol: Mt
  • Atomic number: 109
  • Atomic weight:[ 276 ]
  • Standard state: presumably a solid at 298 K
  • Group in periodic table: 9
  • Group name:none
  • Period in periodic table: 6
  • Block in periodic table: d-block
  • Classification: Metallic
 Meitnerium
Uses Trivia
  • It has no uses.

Element 109, meitnerium, is a synthetic element that is not present in the environment at all. There is no dispute concerning the name meitnerium for element 109.