90-Th-217
 basic

 element
90-thorium-217

  • Atomic Mass: 217.0130662 +- 0.0000332 amu
  • Excess Mass: 12171.056 +- 30.956 keV
  • Binding Energy: 1668894.187 +- 30.957 keV
  • Beta Decay Energy: B- -4864.635 +- 83.210 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: (9/2+)
  • Half life: 0.252 ms
  • Mode of decay: Alpha to Ra-213
    • Decay energy: 9.424 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)