Mendelevium
Main article: Isotopes of mendelevium
| Isotope | Half-life | Spin Parity | Mode(s) or Abundance |
|---|---|---|---|
| 245Md | 0.35 s | (7/2) | %α=100 |
| 245m1Md | 0.90 ms | (1/2- ) | |
| 246Md | 1.0 s | %α=100 | |
| 247Md | 1.12 s | %α=80, %SF=20 | |
| 248Md | 7 s | %K=80, %α=20, %SF < 0.05 | |
| 249Md | 24 s | %K=80, %α=20 | |
| 250Md | 52 s | %K=93, %α=7, %KSF=0.02 sys | |
| 251Md | 4.0 m | %K > 90, %α < 10 | |
| 252Md | 2.3 m | %K>50, %α<50 | |
| 253Md | 6 m | %K+%β+=100 | |
| 254Md | 10 m | %K < 100 | |
| 254m1Md | 28 m | %K < 100 | |
| 255Md | 27 m | (7/2- ) | %K=92, %α=8, %SF < 1.4 |
| 256Md | 78.1 m | (0-,1- ) | %K=90.7, %α=9.3, %SF < 2.8 |
| 257Md | 5.52 h | (7/2- ) | %K=85, %α=15, %SF<1 |
| 258Md | 51.5 d | (8-) | %α=100, %SF < 0.003, %β- < 0.003, %K < 0.003 |
| 258m1Md | 57.0 m | (1- ) | %K > 70, %SF < 30, %α < 1.2, %β- < 30 |
| 259Md | 96 m | (7/2- ) | %SF ~ 100, %α<1.3 |
| 260Md | 27.8 d | %SF>73, %α < 25, %β- < 10 |
Read more about this topic: Isotope Lists, 97+