La
Lanthanum-157
Protons (Z)
57
Neutrons (N)
100
Mass number
157
Half-Life
30.0 ms
Abundance
---
Mass
156.969 u
Mass Excess
-29,070.0 keV
Spin
(1/2+)
Discovered
2018
Binding energy per nucleon
7,972 keV
Neutron separation energy
4,091 keV
Proton separation energy
---
Decay Mode
Decay chain
- LaLanthanum-157Z 57 · N 10030.0 ms
- β⁻
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%