Pb
Lead-217
Protons (Z)
82
Neutrons (N)
135
Mass number
217
Half-Life
19.9 s
Abundance
---
Mass
217.013 u
Mass Excess
12,260.0 keV
Spin
(9/2+)
Discovered
2010
Binding energy per nucleon
7,719 keV
Neutron separation energy
3,321 keV
Proton separation energy
9,899 keV
Decay Mode
- β⁻→Bismuth-217100%
Decay chain
- PbLead-217Z 82 · N 13519.9 s
- β⁻100%
- β⁻100%
- α97.5%
- β⁻100%
- β⁻97.91%
- α100%
- β⁻100%
- α100%