Xe

Xenon-140

Protons (Z)

54

Neutrons (N)

86

Mass number

140

Half-Life

13.6 s

Abundance

---

Mass

139.922 u

Mass Excess

-72,986.5 keV

Spin

0+

Discovered

1951

Binding energy per nucleon

8,291 keV

Neutron separation energy

5,413 keV

Proton separation energy

11,804 keV

Decay Mode

β⁻Caesium-140100%

Decay chain

Xenon-140Z 54 · N 8613.6 s
β⁻100%
β⁻100%
β⁻100%
β⁻100%