La
Lanthanum-122
Protons (Z)
57
Neutrons (N)
65
Mass number
122
Half-Life
8.6 s
Abundance
---
Mass
121.931 u
Mass Excess
-64,540.0 keV
Spin
(1-)
Discovered
1984
Binding energy per nucleon
8,235 keV
Neutron separation energy
10,421 keV
Proton separation energy
1,089 keV
Decay Mode
Decay chain
- LaLanthanum-122Z 57 · N 658.6 s
- β⁺100%
- β⁺100%
- β⁺~100%
- EC100%
- β⁺100%