Cs

Caesium-122n

Protons (Z)

55

Neutrons (N)

67

Mass number

122

Half-Life

3.7 m

Abundance

---

Mass

121.916 u

Mass Excess

-78,005.0 keV

Spin

8-

Discovered

1969

Binding energy per nucleon

8,358 keV

Neutron separation energy

8,974 keV

Proton separation energy

2,813 keV

Decay Mode

β⁺Xenon-122100%

Decay chain

Caesium-122Z 55 · N 673.7 m
β⁺100%
EC100%
β⁺100%