Ta

Tantalum-187m

Protons (Z)

73

Neutrons (N)

114

Mass number

187

Half-Life

7.3 s

Abundance

---

Mass

186.962 u

Mass Excess

-35,110.0 keV

Spin

(25/2-)

Discovered

2010

Binding energy per nucleon

7,954 keV

Neutron separation energy

4,571 keV

Proton separation energy

5,979 keV

Decay Mode

Decay chain

Tantalum-187Z 73 · N 1147.3 s
γ100%
β⁻100%
β⁻100%
β⁻100%