Ta

Tantalum-172

Protons (Z)

73

Neutrons (N)

99

Mass number

172

Half-Life

36.8 m

Abundance

---

Mass

171.945 u

Mass Excess

-51,330.0 keV

Spin

(3+)

Discovered

1964

Binding energy per nucleon

8,038 keV

Neutron separation energy

7,681 keV

Proton separation energy

3,188 keV

Decay Mode

β⁺Hafnium-172100%

Decay chain

Tantalum-172Z 73 · N 9936.8 m
β⁺100%
EC100%
β⁺100%