La
Lanthanum-131
Protons (Z)
57
Neutrons (N)
74
Mass number
131
Half-Life
59.0 m
Abundance
---
Mass
130.91 u
Mass Excess
-83,769.0 keV
Spin
3/2+
Discovered
1951
Binding energy per nucleon
8,370 keV
Neutron separation energy
10,213 keV
Proton separation energy
3,801 keV
Decay Mode
- β⁺→Barium-131100%
Decay chain
- LaLanthanum-131Z 57 · N 7459.0 m
- β⁺100%
- β⁺100%
- EC100%