The Instrumentation Center

Iridium

Ir

Contributor: Be the contributor for this element!

Iridium filament sparkplugs are widely used in racecars due to their durability and last 100k miles or longer!

About the Display:

  • Sparkplug: made of an iridium filament
  • Ion Gauge: used in various instrumentation, containing an iridium filament coated with 2% thorium

About the Contributor:

Back to the Periodic Table

Symbol: Ir

Atomic Number: 77

Atomic Mass: 192.217 amu

Electron Configuration: [Xe] 4f145d76s2

Year Discovered: 1803

Discovered By: Smithson Tennant

Last Updated: 11/13/18