Notes
| Isotopes of Nobelium |
| Notes
|
| Nobelium has no stable isotopes. |
 Notable Isotopes  |
 253No [151 neutrons] |
 Abundance: synthetic
|
| Half life: 1.7 minutes [ Alpha Decay ]
|
| Decay Energy: 8.440 MeV |
| Decays to 249Fm.
|
| Half life: 1.7 minutes [ Electron Capture ]
|
| Decay Energy: 3.200 MeV |
| Decays to 253Md.
|
| 255No [153 neutrons] |
| Abundance: synthetic
|
| Half life: 3.1 minutes [ Alpha Decay ]
|
| Decay Energy: 8.445 MeV |
| Decays to 251Fm.
|
| Half life: 3.1 minutes [ Electron Capture ]
|
| Decay Energy: 2.012 MeV |
| Decays to 255Md.
|
| 259No [157 neutrons] |
| Abundance: synthetic
|
| Half life: 58 minutes [ Alpha Decay ]
|
| Decay Energy: 7.910 MeV |
| Decays to 255Fm.
|
| Half life: 58 minutes [ Electron Capture ]
|
| Decay Energy: 0.500 MeV |
| Decays to 259Md.
|
| Half life: 58 minutes
|
| Decay Energy: ? MeV |
| Decays to ?.
|