Ta

Tantalum-158n

Protons (Z)

73

Neutrons (N)

85

Mass number

158

Half-Life

6.1 µs

Abundance

---

Mass

157.97 u

Mass Excess

-28,310.0 keV

Spin

(19-)

Discovered

2014

Binding energy per nucleon

7,889 keV

Neutron separation energy

6,781 keV

Proton separation energy

-3,261 keV

Decay Mode

Decay chain

Tantalum-158Z 73 · N 856.1 µs
γ98.6%
α100%
β⁺
α92.6%
β⁺100%
β⁺100%
β⁺66.4%
β⁺100%
α100%
α100%