Ta
Tantalum-157n
Protons (Z)
73
Neutrons (N)
84
Mass number
157
Half-Life
1.7 ms
Abundance
---
Mass
156.97 u
Mass Excess
-28,000.0 keV
Spin
(25/2-)
Discovered
1996
Binding energy per nucleon
7,886 keV
Neutron separation energy
10,071 keV
Proton separation energy
-2,531 keV
Decay Mode
- α→Lutetium-153100%
Decay chain
- TaTantalum-157Z 73 · N 841.7 ms
- α100%
- α
- β⁺99.74%
- β⁺93%
- β⁺100%
- β⁺100%
- β⁺83.3%
- β⁺~100%
- EC100%