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  • hello guys today I will be talking to you about iridium
  • The main use of iridium is as a hardening agent for platinum alloys.
  • Iridium is a chemical element symbol Ir and atomic number 77
  • Iridium is used in making crucibles. It is also used to make heavy-duty electrical contacts.
  • It is a very hard, little silver metal in the platinum
  • more facts areeee- The name is from the Greek goddess of the rainbow, Iris
  • some cool facts are- it was discovered in 1803 and by Smithson Tennant
  • iridium is also there second densest element !!
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