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107Bh270 u

Bohrium

transition metal
Atomic Number
107
Atomic Mass
270 u
Period
7
Group
7

Quick Facts

PropertyValue
SymbolBh
Atomic Number107
Atomic Mass[270] u
CategoryTransition Metal
Period7
Group7
Blockd
Electron Configuration[Rn] 5f¹⁴ 6d⁵ 7s²

History and Discovery

Discovered by: Peter Armbruster and Gottfried Münzenberg Year of Discovery: 1981 Location: GSI, Darmstadt, Germany

Etymology

Named after Niels Bohr, Danish physicist and Nobel laureate.

Interesting Facts

  1. Named after Niels Bohr
  2. First element discovered at GSI Darmstadt
  3. Predicted to resemble rhenium
  4. Most stable isotope has about 61-second half-life
  5. Only about 100 atoms have ever been produced