element
Information about Berkelium-235:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:235.056580±0.000430amu #
    Excess Mass (Δ):52.704000±0.401000MeV #
    Binding Energy:1768.169000±0.401000MeV #
"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.