Pb
Lead-216m
Protons (Z)
82
Neutrons (N)
134
Mass number
216
Half-Life
400.0 ns
Abundance
---
Mass
216.01 u
Mass Excess
9,020.0 keV
Spin
(8+)
Discovered
2012
Binding energy per nucleon
7,733 keV
Neutron separation energy
3,391 keV
Proton separation energy
8,299 keV
Decay Mode
- γ→Lead-216100%
Decay chain
- PbLead-216Z 82 · N 134400.0 ns
- γ100%
- β⁻100%
- β⁻100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%