Tm

Thulium-156

Protons (Z)

69

Neutrons (N)

87

Mass number

156

Half-Life

1.4 m

Abundance

---

Mass

155.939 u

Mass Excess

-56,834.0 keV

Spin

2-

Discovered

1971

Binding energy per nucleon

8,090 keV

Neutron separation energy

8,279 keV

Proton separation energy

1,914 keV

Decay Mode

Decay chain

Thulium-156Z 69 · N 871.4 m
β⁺~100%
β⁺~100%
β⁺100%