Element wanted project (Iridium)
Johnny Le, physical science, 3rd period
Date of Birth (Iridium)
* Date of birth being 1803
* The primary discoverer, named Smithson Tennant
physical description
* symbol - Ir
* A very hard, brittle, silvery-white transition metal of the platinum group
* melting point - 4435 F, 2446 C, 2719 K
* boiling point - 8002 F, 4428 C, 4701 K
* atomic number - 77
* atomic mass - 192.22
* A very hard, brittle, silvery-white transition metal of the platinum group
* melting point - 4435 F, 2446 C, 2719 K
* boiling point - 8002 F, 4428 C, 4701 K
* atomic number - 77
* atomic mass - 192.22
Family members of tellurium
elements in the same group/family as iridium are:
* ruthenium
* rhodium
* palladium
* osmium
* platinum
Last seen
* used for pen tips and compass bearings
* Used in making the standard meter bar which is an alloy of 90%, and 10% iridium
* Used for contacts in spark plugs because of its high melting point and low re-activity
* Used in making the standard meter bar which is an alloy of 90%, and 10% iridium
* Used for contacts in spark plugs because of its high melting point and low re-activity
Alias
Iridium also goes by Iris, which is Latin for "rainbow."
Likely whereabouts
Could't find anything so I'm guessing it doesn't have any whereabouts
other information
* Iridium salts are highly colored
* It is the most corrosion-resistant material known
* One of the most rarest elements on Earth
Reward
* Cost, pure : $4200 per 100g
* Cost, bulk: $2300 per 100g