Pb
Lead-203n
Protons (Z)
82
Neutrons (N)
121
Mass number
203
Half-Life
480.0 ms
Abundance
---
Mass
202.977 u
Mass Excess
-21,837.0 keV
Spin
29/2-
Discovered
1977
Binding energy per nucleon
7,863 keV
Neutron separation energy
3,967 keV
Proton separation energy
3,146 keV
Decay Mode
- γ→Lead-203100%
Decay chain
- PbLead-203Z 82 · N 121480.0 ms
- γ100%
- EC100%