Ir
Iridium-172m
Protons (Z)
77
Neutrons (N)
95
Mass number
172
Half-Life
2.19 s
Abundance
---
Mass
171.971 u
Mass Excess
-27,240.0 keV
Spin
(7+)
Discovered
1967
Binding energy per nucleon
7,879 keV
Neutron separation energy
8,901 keV
Proton separation energy
232 keV
Decay Mode
Decay chain
- IrIridium-172Z 77 · N 952.19 s
- β⁺90.5%
- β⁺98.81%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%
- β⁺100%