Tm

Thulium-158

Protons (Z)

69

Neutrons (N)

89

Mass number

158

Half-Life

3.98 m

Abundance

---

Mass

157.937 u

Mass Excess

-58,703.0 keV

Spin

2-

Discovered

1970

Binding energy per nucleon

8,101 keV

Neutron separation energy

8,065 keV

Proton separation energy

2,578 keV

Decay Mode

β⁺Erbium-158100%

Decay chain

Thulium-158Z 69 · N 893.98 m
β⁺100%
EC100%
β⁺100%