Pb
Lead-198m
Protons (Z)
82
Neutrons (N)
116
Mass number
198
Half-Life
4.12 µs
Abundance
---
Mass
197.974 u
Mass Excess
-23,926.0 keV
Spin
7-
Discovered
1972
Binding energy per nucleon
7,868 keV
Neutron separation energy
7,252 keV
Proton separation energy
2,861 keV
Decay Mode
- γ→Lead-198100%
Decay chain
- PbLead-198Z 82 · N 1164.12 µs
- γ100%
- β⁺100%
- β⁺100%