Interactions | Reactions | Processes
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Classified as: Radioactive Decay Series: Actinium (4n + 3)
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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 |
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239Np |
+ |
β |
+ |
γ |
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239Np |
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239Pu |
+ |
β |
+ |
γ |
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239Pu |
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235U |
+ |
α |
+ |
γ |
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235U |
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231Th |
+ |
α |
+ |
γ |
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231Th |
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231Pa |
+ |
β |
+ |
γ |
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231Pa |
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227Ac |
+ |
α |
+ |
γ |
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227Ac |
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223Fr |
+ |
α |
+ |
γ |
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227Ac |
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227Th |
+ |
β |
+ |
γ |
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223Fr |
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223Ra |
+ |
β |
+ |
γ |
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227Th |
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223Ra |
+ |
α |
+ |
γ |
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223Ra |
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219Rn |
+ |
α |
+ |
γ |
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219Rn |
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215Po |
+ |
α |
+ |
γ |
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215Po |
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211Pb |
+ |
α |
+ |
γ |
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211Pb |
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215Po |
+ |
β |
+ |
γ |
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211Bi |
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207Tl |
+ |
α |
+ |
γ |
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211Bi |
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211Po |
+ |
β |
+ |
γ |
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207Tl |
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207Pb |
+ |
β |
+ |
γ |
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211Po |
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207Pb |
+ |
α |
+ |
γ |
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© Mark R. Leach 1999 –
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