Hf

Hafnium-172

Protons (Z)

72

Neutrons (N)

100

Mass number

172

Half-Life

1.87 y

Abundance

---

Mass

171.939 u

Mass Excess

-56,402.0 keV

Spin

0+

Discovered

1951

Binding energy per nucleon

8,072 keV

Neutron separation energy

9,042 keV

Proton separation energy

5,862 keV

Decay Mode

ECLutetium-172100%

Decay chain

Hafnium-172Z 72 · N 1001.87 y
EC100%
β⁺100%