Xe
Xenon-131
Protons (Z)
54
Neutrons (N)
77
Mass number
131
Half-Life
Stable
Abundance
21.232%
Mass
130.905 u
Mass Excess
-88,413.575 keV
Spin
3/2+
Discovered
1920
Binding energy per nucleon
8,424 keV
Neutron separation energy
6,604 keV
Proton separation energy
8,767 keV
Decay Mode
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