element
Information about Mendelevium-250:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:250.084488±0.000323amu #
    Excess Mass (Δ):78.700000±0.301000MeV #
    Binding Energy:1860.113000±0.301000MeV #
    β- Decay Energy:-2.799000±0.363000MeV #
"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.
Radioactive Decay Data:

  • Half life: 52 s ( 52 sec., λ = 0.0133298 s-1)
  • Mode of decay:
    E.C.
    to
    250
    100
    Fm
      (Q = 4.600 MeV)   Branch ratio: 93.00 %
  • Mode of decay:
    α
    to
    246
    99
    Es
      (Q = 8.310 MeV)   Branch ratio: 7.00 %

  • Possible parent nuclides:
    α from
    254
    103
    Lr
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)