Periodic table
en
fr
ar
es
pt
id
List
Compare
Tables
Quiz
Tools
Printables
Periodic table
›
platinum
›
Pt-198
Platinum-198 (Pt-198)
Identity
Protons
78
Neutrons
120
Mass number
198
Mass
198.0 ± 2.3 u
Mass excess
-29.904 MeV
Spin
0+
Stability
stable
Natural occurrence
7.356 %
of platinum
All isotopes of platinum