The Elements Table

The Interactive Periodic Table of Elements

  • 77 Ir Iridium 192.22
  • 77 Ir Iridium 192.22
  • 77 Ir Iridium 192.22
  • Vital Element Stats

  • Name: Iridium
  • Symbol: Ir
  • Weight: 192.22
  • Family: Transition Metals
  • Group: 77
  • Period: 4700
  • Composition

  • Electrons: 77
  • Protons: 77
  • Neutrons: ~115
  • Measurements

  • Density: 22.60 g/mL
  • Miscellaneous Facts

  • Discovered: 1809
  • Melting Point: 2720 o C , 4928 o F , 2993.15 o Kelvin
  • Boiling Point: 4700 o C , 8492 o F , 4973.15 o Kelvin
  • Cost: N/A