Cs

Caesium-136

Protons (Z)

55

Neutrons (N)

81

Mass number

136

Half-Life

13.01 d

Abundance

---

Mass

135.907 u

Mass Excess

-86,338.9 keV

Spin

5+

Discovered

1951

Binding energy per nucleon

8,390 keV

Neutron separation energy

6,828 keV

Proton separation energy

7,215 keV

Decay Mode

β⁻Barium-136100%

Decay chain

Caesium-136Z 55 · N 8113.01 d
β⁻100%