Ir
Iridium-172
Protons (Z)
77
Neutrons (N)
95
Mass number
172
Half-Life
4.4 s
Abundance
---
Mass
171.971 u
Mass Excess
-27,380.0 keV
Spin
(3-)
Discovered
1967
Binding energy per nucleon
7,880 keV
Neutron separation energy
9,041 keV
Proton separation energy
372 keV
Decay Mode
Decay chain
- IrIridium-172Z 77 · N 954.4 s
- β⁺98%
- β⁺98.81%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%
- β⁺100%