La

Lanthanum-136n

Protons (Z)

57

Neutrons (N)

79

Mass number

136

Half-Life

187.0 ns

Abundance

---

Mass

135.91 u

Mass Excess

-83,520.0 keV

Spin

(14+)

Discovered

2015

Binding energy per nucleon

8,358 keV

Neutron separation energy

4,948 keV

Proton separation energy

2,958 keV

Decay Mode

γLanthanum-136100%

Decay chain

Lanthanum-136Z 57 · N 79187.0 ns
γ100%
β⁺100%