110-Ds-268  basic  element

110-darmstadtium-268 Atomic Mass: 268.1435290 +- 0.0005390 amu # Excess Mass: 133696.000 +- 502.000 keV # Binding Energy: 1943359.000 +- 502.000 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.