90-Th-238
 basic

 element
90-thorium-238

  • Atomic Mass: 238.0562430 +- 0.0003870 amu #
  • Excess Mass: 52390.000 +- 361.000 keV #
  • Binding Energy: 1798173.000 +- 361.000 keV #
  • Beta Decay Energy: B- 1626.000 +- 366.000 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.