Xe

Xenon-128

Protons (Z)

54

Neutrons (N)

74

Mass number

128

Half-Life

Stable

Abundance

1.91%

Mass

127.904 u

Mass Excess

-89,860.534 keV

Spin

0+

Discovered

1922

Binding energy per nucleon

8,443 keV

Neutron separation energy

9,611 keV

Proton separation energy

8,167 keV

Decay Mode

---