Pt
Platinum-197m
Protons (Z)
78
Neutrons (N)
119
Mass number
197
Half-Life
1.59 h
Abundance
---
Mass
196.968 u
Mass Excess
-30,020.2 keV
Spin
13/2+
Discovered
1941
Binding energy per nucleon
7,914 keV
Neutron separation energy
5,447 keV
Proton separation energy
7,869 keV
Decay Mode
Decay chain
- PtPlatinum-197Z 78 · N 1191.59 h
- γ96.7%
- β⁻100%