Notes
| Isotopes of Einsteinium |
| Notes
|
| Einsteinium has no stable isotopes. |
 Notable Isotopes  |
 252Es [153 neutrons] |
 Abundance: synthetic
|
| Half life: 471.7 days [ Alpha Decay ]
|
| Decay Energy: 6.760 MeV |
| Decays to 248Bk.
|
| Half life: 471.7 days [ Electron Capture ]
|
| Decay Energy: 1.260 MeV |
| Decays to 252Cf.
|
| Half life: 471.7 days [ beta- ]
|
| Decay Energy: 0.480 MeV |
| Decays to 252Fm.
|
| 253Es [154 neutrons] |
| Abundance: synthetic
|
| Half life: 20.47
|
| Decay Energy: ? MeV |
| Decays to ?.
|
| Half life: 20.47 [ Alpha Decay ]
|
| Decay Energy: 6.739 MeV |
| Decays to 249Bk.
|
| 254Es [155 neutrons] |
| Abundance: synthetic
|
| Half life: 275.7 days [ Electron Capture ]
|
| Decay Energy: 0.654 MeV |
| Decays to 254Cf.
|
| Half life: 275.7 days [ beta- ]
|
| Decay Energy: 1.090 MeV |
| Decays to 254Fm.
|
| Half life: 275.7 days [ Alpha Decay ]
|
| Decay Energy: 6.628 MeV |
| Decays to 250Bk.
|
| 255Es [156 neutrons] |
| Abundance: synthetic
|
| Half life: 39.8 days [ beta- ]
|
| Decay Energy: 0.288 MeV |
| Decays to 255Fm.
|
| Half life: 39.8 days [ Alpha Decay ]
|
| Decay Energy: 6.436 MeV |
| Decays to 251Bk.
|
| Half life: 39.8 days
|
| Decay Energy: ? MeV |
| Decays to ?.
|