La
Lanthanum-142
Protons (Z)
57
Neutrons (N)
85
Mass number
142
Half-Life
1.52 h
Abundance
---
Mass
141.914 u
Mass Excess
-80,024.0 keV
Spin
2-
Discovered
1953
Binding energy per nucleon
8,321 keV
Neutron separation energy
5,165 keV
Proton separation energy
7,581 keV
Decay Mode
- β⁻→Cerium-142100%
Decay chain
- LaLanthanum-142Z 57 · N 851.52 h
- β⁻100%