Ho

Holmium-156m

Protons (Z)

67

Neutrons (N)

89

Mass number

156

Half-Life

9.5 s

Abundance

---

Mass

155.93 u

Mass Excess

-65,490.0 keV

Spin

1-

Discovered

1995

Binding energy per nucleon

8,155 keV

Neutron separation energy

7,521 keV

Proton separation energy

3,623 keV

Decay Mode

Decay chain

Holmium-156Z 67 · N 899.5 s
γ100%
β⁺100%