102-No-252  basic  element

102-nobelium-252 Atomic Mass: 252.0889659 +- 0.0000139 amu Excess Mass: 82871.198 +- 12.991 keV Binding Energy: 1871302.103 +- 12.995 keV Beta Decay Energy: B- -5928.000 +- 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. Spin: 0+ Half life: 2.30 s Mode of decay: Alpha to Fm-248 Branch ratio: 73.10 % Decay energy: 8.549 MeV Mode of decay: SF Branch ratio: 26.90 % 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)