Template:Neptunium series

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[edit] Neptunium series

4n + 1 chain:

nuclide decay mode half life energy released, MeV product of decay
249Cf α 351 a 5.813+.388 245Cm
245Cm α 8500 a 5.362+.175 241Pu
241Pu β- 14.4 a 0.021 241Am
241Am α 432.7 a 5.638 237Np
237Np α 2.14·106 a 4.959 233Pa
233Pa β- 27.0 d 0.571 233U
233U α 1.592·105 a 4.909 229Th
229Th α 7.54·104 a 5.168 225Ra
225Ra β- 14.9 d 0.36 225Ac
225Ac α 10.0 d 5.935 221Fr
221Fr α 4.8 min 6.3 217At
217At α 32 ms 7.0 213Bi
213Bi α 46.5 min 5.87 209Tl
209Tl β- 2.2 min 3.99 209Pb
209Pb β- 3.25 h 0.644 209Bi
209Bi α 1.9·1019 a 3.14 205Tl
205Tl . stable . .