Ta

Tantalum-188m

Protons (Z)

73

Neutrons (N)

115

Mass number

188

Half-Life

19.6 s

Abundance

---

Mass

187.964 u

Mass Excess

-33,810.0 keV

Spin

(7-)

Discovered

2005

Binding energy per nucleon

7,947 keV

Neutron separation energy

4,981 keV

Proton separation energy

8,099 keV

Decay Mode

Decay chain

Tantalum-188Z 73 · N 11519.6 s
γ
β⁻100%
β⁻100%
β⁻100%