99
47
Ag
element 		Information about Silver-99:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation
    Mass-Energy Data:

    Atomic Mass:98.917597±0.000162amu
    Excess Mass (Δ):-76.757793±0.150766MeV
    Binding Energy:839.048141±0.150766MeV
    β- Decay Energy:-6.905000±0.254000MeV #
"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.
Radioactive Decay Data:

  • Spin: (9/2)+
  • Half life: 124 s ( 124 sec., λ = 0.0055899 s-1)
  • Mode of decay:
    E.C.
     to
    99
    46
    Pd
       (Q = 5.430 MeV)
    Meta state at 0.506 Mev
  • Spin: (1/2-) 124
  • Half life: 10.5 s ( 10.5 sec., λ = 0.066014 s-1)
  • Mode of decay: γ (IT)  (Q = 0.506 MeV)

  • Possible parent nuclides:
    E.C. from
    99
    48
    Cd
    E.C. +
    1
    1
    p+ from
    100
    49
    In
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)