I
Iodine-133
Protons (Z)
53
Neutrons (N)
80
Mass number
133
Half-Life
20.83 h
Abundance
---
Mass
132.908 u
Mass Excess
-85,857.0 keV
Spin
7/2+
Discovered
1940
Binding energy per nucleon
8,405 keV
Neutron separation energy
8,224 keV
Proton separation energy
7,958 keV
Decay Mode
- β⁻→Xenon-133100%
Decay chain
- IIodine-133Z 53 · N 8020.83 h
- β⁻100%
- β⁻100%