Thorium-239

• β⁻→Protactinium-239

Decay chain

1. ThThorium-239Z 90 · N 1491.0 m
2. β⁻
   PaProtactinium-239Z 91 · N 1481.8 h
3. β⁻100%
   UUranium-239Z 92 · N 14723.45 m
4. β⁻100%
   NpNeptunium-239Z 93 · N 1462.36 d
5. β⁻100%
   PuPlutonium-239Z 94 · N 14524.11 ky
6. α~100%
   UUranium-235Z 92 · N 143704.0 My
7. α~100%
   ThThorium-231Z 90 · N 1411.06 d
8. β⁻100%
   PaProtactinium-231Z 91 · N 14032.65 ky
9. α~100%
   AcActinium-227Z 89 · N 13821.77 y
10. β⁻98.62%
    ThThorium-227Z 90 · N 13718.69 d
11. α100%
    RaRadium-223Z 88 · N 13511.44 d
12. α~100%
    RnRadon-219Z 86 · N 1333.96 s
13. α100%
    PoPolonium-215Z 84 · N 1311.78 ms
14. α~100%
    PbLead-211Z 82 · N 12936.16 m
15. β⁻100%
    BiBismuth-211Z 83 · N 1282.14 m
16. α~100%
    TlThallium-207Z 81 · N 1264.77 m
17. β⁻100%
    PbLead-207Z 82 · N 125Stable