102-No-258
 basic

 element
102-nobelium-258

  • Atomic Mass: 258.0982000 +- 0.0002150 amu #
  • Excess Mass: 91473.000 +- 200.000 keV #
  • Binding Energy: 1911128.000 +- 200.000 keV #
  • Beta Decay Energy: B- -3430.000 +- 224.000 keV #
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
  • Spin: 0+
  • Half life: 1.2 ms
  • Mode of decay: SF
  • Mode of decay: Alpha to Fm-254
    • Branch ratio: 0.001 %
    • Decay energy: 1 8.200 MeV
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)