Sb

Antimony-136m

Protons (Z)

51

Neutrons (N)

85

Mass number

136

Half-Life

570.0 ns

Abundance

---

Mass

135.931 u

Mass Excess

-64,238.0 keV

Spin

(6-)

Discovered

2001

Binding energy per nucleon

8,250 keV

Neutron separation energy

2,619 keV

Proton separation energy

10,895 keV

Decay Mode

γAntimony-136100%

Decay chain

Antimony-136Z 51 · N 85570.0 ns
γ100%
β⁻75.16%
β⁻98.63%
β⁻100%