Es
Einsteinium-240
Protons (Z)
99
Neutrons (N)
141
Mass number
240
Half-Life
6.0 s
Abundance
---
Mass
240.069 u
Mass Excess
64,230.0 keV
Spin
(4-)
Discovered
2017
Binding energy per nucleon
7,481 keV
Neutron separation energy
7,471 keV
Proton separation energy
1,259 keV
Decay Mode
- β⁺SF0.16%
Decay chain
- EsEinsteinium-240Z 99 · N 1416.0 s
- α70%
- β⁺99.96%
- β⁺82%
- β⁺~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%