Interactions | Reactions | Processes
Classified as: Radioactive Decay Series: Actinium (4n + 3)
An important radioactive decay series. The actinium (4n + 3) series runs from uranium 239, via uranium 235, to lead 207.
For more information look in the Chemogenesis webbook section on the The Segre chart and nucleosynthesis.239U |
239Np |
+ |
β |
+ |
γ |
239Np |
239Pu |
+ |
β |
+ |
γ |
239Pu |
235U |
+ |
α |
+ |
γ |
235U |
231Th |
+ |
α |
+ |
γ |
231Th |
231Pa |
+ |
β |
+ |
γ |
231Pa |
227Ac |
+ |
α |
+ |
γ |
227Ac |
223Fr |
+ |
α |
+ |
γ |
227Ac |
227Th |
+ |
β |
+ |
γ |
223Fr |
223Ra |
+ |
β |
+ |
γ |
227Th |
223Ra |
+ |
α |
+ |
γ |
223Ra |
219Rn |
+ |
α |
+ |
γ |
219Rn |
215Po |
+ |
α |
+ |
γ |
215Po |
211Pb |
+ |
α |
+ |
γ |
211Pb |
215Po |
+ |
β |
+ |
γ |
211Bi |
207Tl |
+ |
α |
+ |
γ |
211Bi |
211Po |
+ |
β |
+ |
γ |
207Tl |
207Pb |
+ |
β |
+ |
γ |
211Po |
207Pb |
+ |
α |
+ |
γ |
© Mark R. Leach 1999 –
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