Neptunium-237

• α→Protactinium-233~100%
• SF<2e-10%
• CD→Thallium-207<4e-12%

Decay chain

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