Pb
Lead-219
Protons (Z)
82
Neutrons (N)
137
Mass number
219
Half-Life
3.0 s
Abundance
---
Mass
219.022 u
Mass Excess
20,620.0 keV
Spin
(11/2+)
Discovered
2009
Binding energy per nucleon
7,684 keV
Neutron separation energy
3,081 keV
Proton separation energy
10,379 keV
Decay Mode
- β⁻→Bismuth-219
Decay chain
- PbLead-219Z 82 · N 1373.0 s
- β⁻
- β⁻100%
- β⁻71.8%
- α93.6%
- β⁻100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%