Ta

Tantalum-158

Protons (Z)

73

Neutrons (N)

85

Mass number

158

Half-Life

49.0 ms

Abundance

---

Mass

157.967 u

Mass Excess

-31,120.0 keV

Spin

(2-)

Discovered

1979

Binding energy per nucleon

7,907 keV

Neutron separation energy

9,591 keV

Proton separation energy

-451 keV

Decay Mode

Decay chain

Tantalum-158Z 73 · N 8549.0 ms
α100%
β⁺
α92.6%
β⁺100%
β⁺100%
β⁺66.4%
β⁺100%
α100%
α100%