Re
Rhenium-172m
Protons (Z)
75
Neutrons (N)
97
Mass number
172
Half-Life
15.0 s
Abundance
---
Mass
171.955 u
Mass Excess
-41,460.0 keV
Spin
(7+)
Discovered
1972
Binding energy per nucleon
7,971 keV
Neutron separation energy
8,281 keV
Proton separation energy
1,663 keV
Decay Mode
- β⁺→Tungsten-172100%
Decay chain
- ReRhenium-172Z 75 · N 9715.0 s
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%
- β⁺100%