Cs
Caesium-122
Protons (Z)
55
Neutrons (N)
67
Mass number
122
Half-Life
21.18 s
Abundance
---
Mass
121.916 u
Mass Excess
-78,140.0 keV
Spin
1+
Discovered
1969
Binding energy per nucleon
8,359 keV
Neutron separation energy
9,109 keV
Proton separation energy
2,948 keV
Decay Mode
Decay chain
- CsCaesium-122Z 55 · N 6721.18 s
- β⁺~100%
- EC100%
- β⁺100%