Actinium-237

• β⁻→Thorium-237

Decay chain

1. AcActinium-237Z 89 · N 14823.0 s
2. β⁻
   ThThorium-237Z 90 · N 1474.8 m
3. β⁻100%
   PaProtactinium-237Z 91 · N 1468.7 m
4. β⁻100%
   UUranium-237Z 92 · N 1456.75 d
5. β⁻100%
   NpNeptunium-237Z 93 · N 1442.14 My
6. α~100%
   PaProtactinium-233Z 91 · N 14226.98 d
7. β⁻100%
   UUranium-233Z 92 · N 141159.19 ky
8. α~100%
   ThThorium-229Z 90 · N 1397.92 ky
9. α100%
   RaRadium-225Z 88 · N 13714.82 d
10. β⁻100%
    AcActinium-225Z 89 · N 1369.92 d
11. α~100%
    FrFrancium-221Z 87 · N 1344.8 m
12. α~100%
    AtAstatine-217Z 85 · N 13232.6 ms
13. α99.992%
    BiBismuth-213Z 83 · N 13045.6 m
14. β⁻97.91%
    PoPolonium-213Z 84 · N 1293.71 µs
15. α100%
    PbLead-209Z 82 · N 1273.24 h
16. β⁻100%
    BiBismuth-209Z 83 · N 12620.1 Ey
17. α100%
    TlThallium-205Z 81 · N 124Stable