Pb
Lead-191n
Protons (Z)
82
Neutrons (N)
109
Mass number
191
Half-Life
180.0 ns
Abundance
---
Mass
190.981 u
Mass Excess
-17,632.0 keV
Spin
33/2+
Discovered
1999
Binding energy per nucleon
7,828 keV
Neutron separation energy
5,286 keV
Proton separation energy
555 keV
Decay Mode
- γ→Lead-191100%
Decay chain
- PbLead-191Z 82 · N 109180.0 ns
- γ100%
- β⁺~100%
- β⁺
- β⁺100%
- β⁺100%
- EC100%