102-No-256
 basic

 element
102-nobelium-256

  • Atomic Mass: 256.0942759 +- 0.0000085 amu
  • Excess Mass: 87817.402 +- 7.959 keV
  • Binding Energy: 1898641.190 +- 7.966 keV
  • Beta Decay Energy: B- -4180.000 +- 220.000 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: 2.91 s
  • Mode of decay: Alpha to Fm-252
    • Branch ratio: 99.5 %
    • Decay energy: 8.581 MeV
  • Mode of decay: SF
    • Branch ratio: 0.5 %
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)