Isotope
|
Abundance
|
Half-life (t1/2)
|
Decay mode
|
Product
|
---|
262No
|
syn
|
5 ms
|
SF
|
|
| 260No
|
syn
|
106 ms
|
SF
|
|
| 259No
|
syn
|
58m
|
75% α
|
7.69,7.61,7.53....
|
255Fm
| 25% ε
|
|
259Md
| 258No
|
syn
|
1.2 ms
|
SF
|
|
| 257No
|
syn
|
25 s
|
α
|
8.32,8.22
|
253Fm
| 256No
|
syn
|
2.91 s
|
99.5% α
|
8.45,8.40
|
252Fm
| 0.5% f
|
|
| 255No
|
syn
|
3.1 m
|
61% α
|
8.12,8.08,7.93
|
251Fm
| 39% ε
|
2.012
|
255Md
| 254Nom2 |
syn
|
198 µs
|
γ
|
|
254Nom1 | 254Nom1 |
syn
|
275 ms
|
γ
|
|
250Nog | 254Nog |
syn
|
51 s
|
|
|
| 253Nom |
syn
|
43.5 µs
|
γ
|
|
253Nog | 253No
|
syn
|
1.62 m
|
α
|
8.14,8.06,8.04,8.01
|
249Fm
| 252Nom |
syn
|
110 ms
|
|
|
| 252Nog |
syn
|
2.44 s
|
75% α
|
8.42,8.37
|
248Fm
| 25% SF
|
|
| 251No
|
syn
|
0.76 s
|
α
|
8.62,8.58
|
247Fm
| 250Nom |
syn
|
43 µs
|
SF
|
|
| 250Nog |
syn
|
3.7 µs
|
SF
|
|
|
|