element
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Information about Promethium-129:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 128.943160 | ± | 0.000860 | amu # |
| Excess Mass (Δ): | -52.946000 | ± | 0.801000 | MeV # |
| Binding Energy: | 1046.423000 | ± | 0.801000 | MeV # |
"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.
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