La
Lanthanum-141
Protons (Z)
57
Neutrons (N)
84
Mass number
141
Half-Life
3.92 h
Abundance
---
Mass
140.911 u
Mass Excess
-82,930.0 keV
Spin
(7/2+)
Discovered
1951
Binding energy per nucleon
8,343 keV
Neutron separation energy
6,689 keV
Proton separation energy
6,951 keV
Decay Mode
- β⁻→Cerium-141100%
Decay chain
- LaLanthanum-141Z 57 · N 843.92 h
- β⁻100%
- β⁻100%