element
Information about Radon-217:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:217.003915±0.000005amu
    Excess Mass (Δ):3.646384±0.004955MeV
    Binding Energy:1680.548273±0.004964MeV
    β- Decay Energy:-0.653813±0.007548MeV
"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: 9/2+
  • Half life: 0.54 ms ( 0.00054 sec., λ = 1283.61 s-1)
  • Mode of decay:
    α
    to
    213
    84
    Po
      (Q = 7.889 MeV)

  • Possible parent nuclides:
    α from
    221
    88
    Ra
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)