Xe
Xenon-126
Protons (Z)
54
Neutrons (N)
72
Mass number
126
Half-Life
Stable
Abundance
0.089%
Mass
125.904 u
Mass Excess
-89,146.387 keV
Spin
0+
Discovered
1922
Binding energy per nucleon
8,444 keV
Neutron separation energy
10,018 keV
Proton separation energy
7,599 keV
Decay Mode
- β⁺