Protactinium-240

• β⁻→Uranium-240

Decay chain

1. PaProtactinium-240Z 91 · N 14920.0 s
2. β⁻
   UUranium-240Z 92 · N 14814.1 h
3. β⁻100%
   NpNeptunium-240Z 93 · N 1471.03 h
4. β⁻100%
   PuPlutonium-240Z 94 · N 1466.56 ky
5. α~100%
   UUranium-236Z 92 · N 14423.42 My
6. α~100%
   ThThorium-232Z 90 · N 14214.0 Gy
7. α~100%
   RaRadium-228Z 88 · N 1405.75 y
8. β⁻100%
   AcActinium-228Z 89 · N 1396.15 h
9. β⁻100%
   ThThorium-228Z 90 · N 1381.91 y
10. α~100%
    RaRadium-224Z 88 · N 1363.63 d
11. α~100%
    RnRadon-220Z 86 · N 13455.6 s
12. α100%
    PoPolonium-216Z 84 · N 132144.0 ms
13. α100%
    PbLead-212Z 82 · N 13010.63 h
14. β⁻100%
    BiBismuth-212Z 83 · N 1291.01 h
15. β⁻64.046%
    PoPolonium-212Z 84 · N 128294.4 ns
16. α100%
    PbLead-208Z 82 · N 126Stable