Periodic table
en
fr
ar
es
pt
id
List
Compare
Tables
Quiz
Tools
Printables
Periodic table
›
iridium
›
Ir-193
Iridium-193 (Ir-193)
Identity
Protons
77
Neutrons
116
Mass number
193
Mass
193.0 ± 1.4 u
Mass excess
-34.536 MeV
Spin
3/2+*
Stability
stable
Natural occurrence
62.70 %
of iridium
Produced by
Os-193
Pt-193
All isotopes of iridium