Re
Rhenium-181
Protons (Z)
75
Neutrons (N)
106
Mass number
181
Half-Life
19.9 h
Abundance
---
Mass
180.95 u
Mass Excess
-46,517.0 keV
Spin
5/2+
Discovered
1957
Binding energy per nucleon
8,004 keV
Neutron separation energy
8,751 keV
Proton separation energy
4,170 keV
Decay Mode
- β⁺→Tungsten-181100%
Decay chain
- ReRhenium-181Z 75 · N 10619.9 h
- β⁺100%
- EC100%