Pb
Lead-202m
Protons (Z)
82
Neutrons (N)
120
Mass number
202
Half-Life
3.54 h
Abundance
---
Mass
201.974 u
Mass Excess
-23,771.0 keV
Spin
9-
Discovered
1954
Binding energy per nucleon
7,871 keV
Neutron separation energy
6,571 keV
Proton separation energy
3,879 keV
Decay Mode
Decay chain
- PbLead-202Z 82 · N 1203.54 h
- γ90.5%
- EC100%
- EC100%