element
Information about Radium-210:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:210.000446±0.000100amu #
    Excess Mass (Δ):0.416000±0.093000MeV #
    Binding Energy:1625.715000±0.093000MeV #
    β- Decay Energy:-8.207000±0.209000MeV #
"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:

  • Spin: 0+
  • Half life: 3.7 s ( 3.7 sec., λ = 0.187337 s-1)
  • Mode of decay:
    α
    to
    206
    86
    Rn
      (Q = 7.157 MeV)   Branch ratio: ~96.00 %
  • Mode of decay: E.C. to
    210
    87
    Fr
      (Q = 3.770 MeV)   Branch ratio: ~4.00 %

  • Possible parent nuclides:
    α from
    214
    90
    Th
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)