Nobelium
Main article: Isotopes of nobelium
| Isotope | Half-life | Spin Parity | Mode(s) or Abundance |
|---|---|---|---|
| 250No | 0.25 ms | 0+ | %SF=100, %α ~ 0.05 sys |
| 251No | 0.8 s | %α ~ 100, %K ~ 1 sys%SF < 8 | |
| 252No | 2.30 s | 0+ | %α=73.1, %SF=26.9 |
| 253No | 1.7 m | (9/2- ) | %α ~ 80, %K ~ 20 sys |
| 254No | 55 s | 0+ | %α=90, %K=10, %SF=0.17 |
| 254m1No | 0.28 s | %IT>80 | |
| 255No | 3.1 m | (1/2+ ) | %α=61.4, %K=38.6 |
| 256No | 2.91 s | 0+ | %α=99.5, %SF=0.53 +8-4 |
| 257No | 25 s | (7/2+ ) | %α ~ 100 |
| 258No | 1.2 ms | 0+ | %SF=100, %α ~ 1E-3 sys |
| 259No | 58 m | (9/2+ ) | %α=75, %K=25, %SF<10 |
| 260No | 106 ms | 0+ | %SF=100 |
| 261No | |||
| 262No | 5 ms | 0+ | %SF=? |
Read more about this topic: Isotope Lists, 97+