Cs

Caesium-126

Protons (Z)

55

Neutrons (N)

71

Mass number

126

Half-Life

1.64 m

Abundance

---

Mass

125.909 u

Mass Excess

-84,351.0 keV

Spin

1+

Discovered

1954

Binding energy per nucleon

8,399 keV

Neutron separation energy

8,332 keV

Proton separation energy

4,441 keV

Decay Mode

β⁺Xenon-126100%

Decay chain

Caesium-126Z 55 · N 711.64 m
β⁺100%