Pb
Lead-211m
Protons (Z)
82
Neutrons (N)
129
Mass number
211
Half-Life
159.0 ns
Abundance
---
Mass
210.991 u
Mass Excess
-8,774.0 keV
Spin
(27/2+)
Discovered
2005
Binding energy per nucleon
7,809 keV
Neutron separation energy
2,117 keV
Proton separation energy
6,816 keV
Decay Mode
- γ→Lead-211100%
Decay chain
- PbLead-211Z 82 · N 129159.0 ns
- γ100%
- β⁻100%
- α~100%
- β⁻100%