La
Lanthanum-117
Protons (Z)
57
Neutrons (N)
60
Mass number
117
Half-Life
21.7 ms
Abundance
---
Mass
116.95 u
Mass Excess
-46,270.0 keV
Spin
(3/2+)
Discovered
2001
Binding energy per nucleon
8,086 keV
Neutron separation energy
14,291 keV
Proton separation energy
-821 keV
Decay Mode
Decay chain
- LaLanthanum-117Z 57 · N 6021.7 ms
- p100%
- β⁺97%
- β⁺99.671%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%