Es
Einsteinium-242
Protons (Z)
99
Neutrons (N)
143
Mass number
242
Half-Life
17.8 s
Abundance
---
Mass
242.07 u
Mass Excess
64,800.0 keV
Spin
(2+)
Discovered
1994
Binding energy per nucleon
7,483 keV
Neutron separation energy
7,161 keV
Proton separation energy
1,819 keV
Decay Mode
- β⁺SF0.6%
Decay chain
- EsEinsteinium-242Z 99 · N 14317.8 s
- α57%
- β⁺99.952%
- α3.84%
- EC94%
- β⁺100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%