Xe
Xenon-131m
Protons (Z)
54
Neutrons (N)
77
Mass number
131
Half-Life
11.95 d
Abundance
---
Mass
130.905 u
Mass Excess
-88,249.645 keV
Spin
11/2-
Discovered
1966
Binding energy per nucleon
8,422 keV
Neutron separation energy
6,440 keV
Proton separation energy
8,603 keV
Decay Mode
- γ→Xenon-131100%
Decay chain
- XeXenon-131Z 54 · N 7711.95 d
- γ100%