Mendelevium-258m

• EC→Fermium-25885%
• SF<15%
• β⁻→Nobelium-258
• α→Einsteinium-254<1.2%

Decay chain

1. MdMendelevium-258Z 101 · N 15757.0 m
2. EC85%
   FmFermium-258Z 100 · N 158370.0 µs
3. α
   CfCalifornium-254Z 98 · N 15660.5 d
4. α0.31%
   CmCurium-250Z 96 · N 1548.3 ky
5. α
   PuPlutonium-246Z 94 · N 15210.84 d
6. β⁻100%
   AmAmericium-246Z 95 · N 15139.0 m
7. β⁻100%
   CmCurium-246Z 96 · N 1504.71 ky
8. α99.974%
   PuPlutonium-242Z 94 · N 148375.0 ky
9. α~100%
   UUranium-238Z 92 · N 1464.46 Gy
10. α~100%
    ThThorium-234Z 90 · N 14424.11 d
11. β⁻100%
    PaProtactinium-234Z 91 · N 1436.7 h
12. β⁻100%
    UUranium-234Z 92 · N 142245.5 ky
13. α~100%
    ThThorium-230Z 90 · N 14075.4 ky
14. α~100%
    RaRadium-226Z 88 · N 1381.6 ky
15. α~100%
    RnRadon-222Z 86 · N 1363.82 d
16. α100%
    PoPolonium-218Z 84 · N 1343.1 m
17. α99.98%
    PbLead-214Z 82 · N 13227.06 m
18. β⁻100%
    BiBismuth-214Z 83 · N 13119.9 m
19. β⁻99.976%
    PoPolonium-214Z 84 · N 130163.47 µs
20. α100%
    PbLead-210Z 82 · N 12822.2 y
21. β⁻~100%
    BiBismuth-210Z 83 · N 1275.01 d
22. β⁻~100%
    PoPolonium-210Z 84 · N 126138.38 d
23. α100%
    PbLead-206Z 82 · N 124Stable