43-Tc-90  basic  element

43-technetium-90 Atomic Mass: 89.9235558 +- 0.0002600 amu Excess Mass: -71207.275 +- 242.185 keV Binding Energy: 763985.131 +- 242.185 keV Beta Decay Energy: B- -5798.000 +- 468.000 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: 1+ Half life: 8.7 s Mode of decay: Electron capture to Mo-90 Decay energy: 8.960 MeV Meta state at 0.500 Mev Spin: (6+) Half life: 49.2 s Mode of decay: Electron capture to Mo-90 Decay energy: 9.460 MeV Possible parent nuclides: Electron capture from Ru-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)