95-Am-249
 basic

 element
95-americium-249

  • Atomic Mass: 249.0784800 +- 0.0003200 amu #
  • Excess Mass: 73104.000 +- 298.000 keV #
  • Binding Energy: 1862332.000 +- 298.000 keV #
  • Beta Decay Energy: B- 2359.000 +- 298.000 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.