Pt
Platinum-198
Protons (Z)
78
Neutrons (N)
120
Mass number
198
Half-Life
Stable
Abundance
7.356%
Mass
197.968 u
Mass Excess
-29,904.0 keV
Spin
0+
Discovered
1935
Binding energy per nucleon
7,914 keV
Neutron separation energy
7,556 keV
Proton separation energy
8,929 keV
Decay Mode
- β⁻
- α→Osmium-194