102-No-249  basic  element

102-nobelium-249 Atomic Mass: 249.0878230 +- 0.0003650 amu # Excess Mass: 81807.000 +- 340.000 keV # Binding Energy: 1848153.000 +- 340.000 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.