I
Iodine-128m
Protons (Z)
53
Neutrons (N)
75
Mass number
128
Half-Life
845.0 ns
Abundance
---
Mass
127.906 u
Mass Excess
-87,600.0 keV
Spin
4-
Discovered
1982
Binding energy per nucleon
8,432 keV
Neutron separation energy
6,688 keV
Proton separation energy
6,608 keV
Decay Mode
- γ→Iodine-128100%
Decay chain
- IIodine-128Z 53 · N 75845.0 ns
- γ100%
- β⁻93.1%