Hf

Hafnium-172m

Protons (Z)

72

Neutrons (N)

100

Mass number

172

Half-Life

163.0 ns

Abundance

---

Mass

171.942 u

Mass Excess

-54,396.0 keV

Spin

(8-)

Discovered

1976

Binding energy per nucleon

8,060 keV

Neutron separation energy

7,036 keV

Proton separation energy

3,856 keV

Decay Mode

γHafnium-172100%

Decay chain

Hafnium-172Z 72 · N 100163.0 ns
γ100%
EC100%
β⁺100%