Roentgenium-277

• α→Meitnerium-273
• SF

Decay chain

1. RgRoentgenium-277Z 111 · N 1664.0 ms
2. α
   MtMeitnerium-273Z 109 · N 164800.0 ms
3. α
   BhBohrium-269Z 107 · N 1621.0 m
4. α
   DbDubnium-265Z 105 · N 16015.0 m
5. α
   LrLawrencium-261Z 103 · N 15839.0 m
6. α
   MdMendelevium-257Z 101 · N 1565.52 h
7. EC85%
   FmFermium-257Z 100 · N 157100.5 d
8. α99.79%
   CfCalifornium-253Z 98 · N 15517.81 d
9. β⁻99.69%
   EsEinsteinium-253Z 99 · N 15420.47 d
10. α~100%
    BkBerkelium-249Z 97 · N 152327.2 d
11. β⁻~100%
    CfCalifornium-249Z 98 · N 151351.0 y
12. α~100%
    CmCurium-245Z 96 · N 1498.25 ky
13. α~100%
    PuPlutonium-241Z 94 · N 14714.33 y
14. β⁻~100%
    AmAmericium-241Z 95 · N 146432.6 y
15. α~100%
    NpNeptunium-237Z 93 · N 1442.14 My
16. α~100%
    PaProtactinium-233Z 91 · N 14226.98 d
17. β⁻100%
    UUranium-233Z 92 · N 141159.19 ky
18. α~100%
    ThThorium-229Z 90 · N 1397.92 ky
19. α100%
    RaRadium-225Z 88 · N 13714.82 d
20. β⁻100%
    AcActinium-225Z 89 · N 1369.92 d
21. α~100%
    FrFrancium-221Z 87 · N 1344.8 m
22. α~100%
    AtAstatine-217Z 85 · N 13232.6 ms
23. α99.992%
    BiBismuth-213Z 83 · N 13045.6 m
24. β⁻97.91%
    PoPolonium-213Z 84 · N 1293.71 µs
25. α100%
    PbLead-209Z 82 · N 1273.24 h
26. β⁻100%
    BiBismuth-209Z 83 · N 12620.1 Ey
27. α100%
    TlThallium-205Z 81 · N 124Stable