Difference between revisions of "Iridium"
Jump to navigation
Jump to search
(New page: {{Element | name=Iridium | symbol=Ir | anumber=77 | amass=192.22 amu | state=Solid | class=Transition Metals | cstructure=Cubic Face Centered | color=White | date=1803 | discname=Smithson ...) |
|||
| Line 1: | Line 1: | ||
{{Element | name=Iridium | symbol=Ir | anumber=77 | amass=192.22 amu | state=Solid | class=Transition Metals | cstructure=Cubic Face Centered | color=White | date=1803 | discname=Smithson Tennant | origname=From the Latin ''iridis'', meaning ''rainbow''. | uses=Used in conjunction with [[osmium]] to tip gold pen points, to make crucibles and other high-temperature containers. Also used to make alloys for standard weights and measures, as well as heat-resistant alloys. In addition, used in cancer irradiation, hypodermic needles, helicopter spark plugs and as hardening agent for [[platinum]]. | obtained=Found in gravel deposits with [[platinum]] and [[osmiridium]] ores. }} | {{Element | name=Iridium | symbol=Ir | anumber=77 | amass=192.22 amu | state=Solid | class=Transition Metals | cstructure=Cubic Face Centered | color=White | date=1803 | discname=Smithson Tennant | origname=From the Latin ''iridis'', meaning ''rainbow''. | uses=Used in conjunction with [[osmium]] to tip gold pen points, to make crucibles and other high-temperature containers. Also used to make alloys for standard weights and measures, as well as heat-resistant alloys. In addition, used in cancer irradiation, hypodermic needles, helicopter spark plugs and as hardening agent for [[platinum]]. | obtained=Found in gravel deposits with [[platinum]] and [[osmiridium]] ores. }} | ||
| − | + | {{stub}} | |
| − | |||
| − | |||
[[Category:Elements]] | [[Category:Elements]] | ||
Revision as of 18:32, November 15, 2008
| Iridium | |
|---|---|
| Properties | |
| Atomic symbol | Ir |
| Atomic number | 77 |
| Classification | Transition Metals |
| Atomic mass | 192.22 amu |
| Other Information | |
| Date of discovery | 1803 |
| Name of discoverer | Smithson Tennant |
| Name origin | From the Latin iridis, meaning rainbow. |
| Uses | Used in conjunction with osmium to tip gold pen points, to make crucibles and other high-temperature containers. Also used to make alloys for standard weights and measures, as well as heat-resistant alloys. In addition, used in cancer irradiation, hypodermic needles, helicopter spark plugs and as hardening agent for platinum. |
| Obtained from | Found in gravel deposits with platinum and osmiridium ores. |