90-Th-219  basic  element

90-thorium-219 Atomic Mass: 219.0155213 +- 0.0000544 amu Excess Mass: 14457.952 +- 50.636 keV Binding Energy: 1682749.937 +- 50.636 keV Beta Decay Energy: B- -4060.470 +- 89.285 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. Half life: 1.05 us Mode of decay: Alpha to Ra-215 Decay energy: 9.510 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)