Eu
Europium-148
Protons (Z)
63
Neutrons (N)
85
Mass number
148
Half-Life
54.5 d
Abundance
---
Mass
147.918 u
Mass Excess
-76,297.0 keV
Spin
5-
Discovered
1951
Binding energy per nucleon
8,254 keV
Neutron separation energy
6,824 keV
Proton separation energy
4,320 keV
Decay Mode
Decay chain
- EuEuropium-148Z 63 · N 8554.5 d
- β⁺~100%
- α100%
- α100%