Cs

Caesium-140

Protons (Z)

55

Neutrons (N)

85

Mass number

140

Half-Life

1.06 m

Abundance

---

Mass

139.917 u

Mass Excess

-77,050.0 keV

Spin

1-

Discovered

1950

Binding energy per nucleon

8,314 keV

Neutron separation energy

4,420 keV

Proton separation energy

8,694 keV

Decay Mode

β⁻Barium-140100%

Decay chain

Caesium-140Z 55 · N 851.06 m
β⁻100%
β⁻100%
β⁻100%