Pb
Lead-205n
Protons (Z)
82
Neutrons (N)
123
Mass number
205
Half-Life
5.55 ms
Abundance
---
Mass
204.976 u
Mass Excess
-22,756.4 keV
Spin
13/2+
Discovered
1960
Binding energy per nucleon
7,869 keV
Neutron separation energy
5,718 keV
Proton separation energy
5,699 keV
Decay Mode
- γ→Lead-205100%
Decay chain
- PbLead-205Z 82 · N 1235.55 ms
- γ100%
- EC100%