Ta

Tantalum-181m

Protons (Z)

73

Neutrons (N)

108

Mass number

181

Half-Life

6.05 µs

Abundance

---

Mass

180.948 u

Mass Excess

-48,432.9 keV

Spin

9/2-

Discovered

1979

Binding energy per nucleon

8,023 keV

Neutron separation energy

7,571 keV

Proton separation energy

5,942 keV

Decay Mode

γTantalum-181100%

Decay chain

Tantalum-181Z 73 · N 1086.05 µs
γ100%