Eu
Europium-154
Protons (Z)
63
Neutrons (N)
91
Mass number
154
Half-Life
8.59 y
Abundance
---
Mass
153.923 u
Mass Excess
-71,738.4 keV
Spin
3-
Discovered
1947
Binding energy per nucleon
8,217 keV
Neutron separation energy
6,442 keV
Proton separation energy
6,467 keV
Decay Mode
Decay chain
- EuEuropium-154Z 63 · N 918.59 y
- β⁻99.982%