I
Iodine-137
Protons (Z)
53
Neutrons (N)
84
Mass number
137
Half-Life
24.13 s
Abundance
---
Mass
136.918 u
Mass Excess
-76,356.0 keV
Spin
(7/2+)
Discovered
1943
Binding energy per nucleon
8,326 keV
Neutron separation energy
4,882 keV
Proton separation energy
9,220 keV
Decay Mode
Decay chain
- IIodine-137Z 53 · N 8424.13 s
- β⁻92.49%
- β⁻100%
- β⁻100%