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

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239Np
         
239Pu
  +  
β
  +  
γ

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239Pu
         
235U
  +  
α
  +  
γ

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235U
         
231Th
  +  
α
  +  
γ

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231Th
         
231Pa
  +  
β
  +  
γ

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231Pa
         
227Ac
  +  
α
  +  
γ

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227Ac
         
223Fr
  +  
α
  +  
γ

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227Ac
         
227Th
  +  
β
  +  
γ

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223Fr
         
223Ra
  +  
β
  +  
γ

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227Th
         
223Ra
  +  
α
  +  
γ

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223Ra
         
219Rn
  +  
α
  +  
γ

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219Rn
         
215Po
  +  
α
  +  
γ

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215Po
         
211Pb
  +  
α
  +  
γ

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211Pb
         
215Po
  +  
β
  +  
γ

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211Bi
         
207Tl
  +  
α
  +  
γ

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211Bi
         
211Po
  +  
β
  +  
γ

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207Tl
         
207Pb
  +  
β
  +  
γ

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211Po
         
207Pb
  +  
α
  +  
γ

Go To Reaction Data Page


© Mark R. Leach 1999 –


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