Radon-229

• β⁻→Francium-229100%

Decay chain

1. RnRadon-229Z 86 · N 14311.9 s
2. β⁻100%
   FrFrancium-229Z 87 · N 14250.2 s
3. β⁻100%
   RaRadium-229Z 88 · N 1414.0 m
4. β⁻100%
   AcActinium-229Z 89 · N 1401.05 h
5. β⁻100%
   ThThorium-229Z 90 · N 1397.92 ky
6. α100%
   RaRadium-225Z 88 · N 13714.82 d
7. β⁻100%
   AcActinium-225Z 89 · N 1369.92 d
8. α~100%
   FrFrancium-221Z 87 · N 1344.8 m
9. α~100%
   AtAstatine-217Z 85 · N 13232.6 ms
10. α99.992%
    BiBismuth-213Z 83 · N 13045.6 m
11. β⁻97.91%
    PoPolonium-213Z 84 · N 1293.71 µs
12. α100%
    PbLead-209Z 82 · N 1273.24 h
13. β⁻100%
    BiBismuth-209Z 83 · N 12620.1 Ey
14. α100%
    TlThallium-205Z 81 · N 124Stable