Ta
Tantalum-158m
Protons (Z)
73
Neutrons (N)
85
Mass number
158
Half-Life
36.0 ms
Abundance
---
Mass
157.967 u
Mass Excess
-30,980.0 keV
Spin
(9+)
Discovered
1979
Binding energy per nucleon
7,906 keV
Neutron separation energy
9,451 keV
Proton separation energy
-591 keV
Decay Mode
Decay chain
- TaTantalum-158Z 73 · N 8536.0 ms
- α95%
- β⁺
- α92.6%
- β⁺100%
- β⁺100%
- β⁺66.4%
- β⁺100%
- α100%
- α100%