 | Iridium is a chemical element; it has symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, it is... 80 KB (7,823 words) - 20:58, 23 April 2024 |
 | The Iridium satellite constellation provides L band voice and data information coverage to satellite phones, satellite messenger communication devices... 62 KB (5,612 words) - 18:19, 24 April 2024 |
Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium... 41 KB (3,850 words) - 17:06, 20 March 2024 |
Look up Iridium or iridium in Wiktionary, the free dictionary. Iridium is a chemical element with symbol Ir and atomic number 77. Iridium may also refer... 781 bytes (149 words) - 16:43, 18 November 2023 |
There are two natural isotopes of iridium (77Ir), and 37 radioisotopes, the most stable radioisotope being 192Ir with a half-life of 73.83 days, and many... 23 KB (1,234 words) - 01:39, 10 April 2024 |
Iridium-192 (symbol 192Ir) is a radioactive isotope of iridium, with a half-life of 73.827 days. It decays by emitting beta (β) particles and gamma (γ)... 5 KB (478 words) - 19:41, 9 February 2024 |
Iridium fluoride may refer to: Iridium(III) fluoride, IrF3 Iridium(IV) fluoride, IrF4 Iridium(V) fluoride, IrF5 Iridium(VI) fluoride, IrF6, or iridium... 547 bytes (58 words) - 00:03, 14 April 2024 |
 | Satellite flare (redirect from Iridium flare) than positive magnitudes, i.e. the scale is reverse logarithmic . The Iridium constellation was one of the first anthropogenic sources of near-space... 21 KB (2,001 words) - 09:10, 9 March 2024 |
Iridium tetrabromide is a binary inorganic chemical compound of iridium and bromine with the chemical formula IrBr4. This is a salt of iridium metal and... 3 KB (163 words) - 03:12, 10 July 2023 |
Iridium trifluoride is a binary chemical compound of iridium and fluorine with the chemical formula IrF 3. Reduction of iridium hexafluoride by metallic... 3 KB (165 words) - 12:36, 8 May 2023 |
 | Cyclooctadiene iridium methoxide dimer is an organoiridium compound with the formula Ir2(OCH3)2(C8H12)2, where C8H12 is the diene 1,5-cyclooctadiene.... 3 KB (223 words) - 05:50, 24 February 2024 |
Platinum group (section Iridium) The six platinum-group metals are ruthenium, rhodium, palladium, osmium, iridium, and platinum. They have similar physical and chemical properties, and... 27 KB (2,815 words) - 07:03, 18 April 2024 |
The term iridium anomaly commonly refers to an unusual abundance of the chemical element iridium in a layer of rock strata at the Cretaceous–Paleogene... 5 KB (531 words) - 09:22, 27 December 2023 |
 | Iridium hexafluoride, also iridium(VI) fluoride, (IrF6) is a compound of iridium and fluorine and one of the seventeen known binary hexafluorides. It is... 4 KB (326 words) - 08:10, 27 April 2023 |
Iridium chloride is a group of inorganic chemical compounds of iridium metal and chlorine. The term can refer to: Iridium(III) chloride (iridium trichloride)... 344 bytes (71 words) - 12:22, 31 March 2023 |
 | Cyclooctadiene iridium chloride dimer is an organoiridium compound with the formula [Ir(μ2-Cl)(COD)]2, where COD is the diene 1,5-cyclooctadiene (C8H12)... 5 KB (445 words) - 06:11, 24 February 2024 |
 | a density of 22.59 g/cm3. Manufacturers use its alloys with platinum, iridium, and other platinum-group metals to make fountain pen nib tipping, electrical... 48 KB (5,539 words) - 20:58, 14 April 2024 |
 | contained an abnormally high concentration of iridium, a chemical element rare on Earth but common in asteroids. Iridium levels in this layer were as much as 160... 82 KB (8,186 words) - 23:00, 24 April 2024 |
Iridium bromide may refer to: Iridium(IV) bromide (iridium tetrabromide), OsBr4 Iridium(III) bromide (iridium tribromide), OsBr3 This set index article... 486 bytes (51 words) - 21:51, 20 December 2023 |
 | Vaska's complex (redirect from Iridium(I)bis(triphenylphosphine)) iridium(I), which has the formula IrCl(CO)[P(C6H5)3]2. This square planar diamagnetic organometallic complex consists of a central iridium atom bound... 9 KB (812 words) - 19:34, 14 March 2022 |
 | Meitnerium (redirect from Eka-Iridium) been carried out to confirm that it behaves as the heavier homologue to iridium in group 9 as the seventh member of the 6d series of transition metals... 30 KB (6,778 words) - 07:18, 2 April 2024 |
 | Heterochromia iridum (redirect from Heterochromia iridium) a review of morphologic correlates and of some conditions that affect iridial pigmentation throughout life". Survey of Ophthalmology. 41 (Suppl 2): S117–23... 25 KB (2,844 words) - 22:42, 12 April 2024 |
 | Iridium(III) iodide is an iodide of iridium, with the chemical formula of IrI3. Iridium(III) iodide can be obtained by reducing iridium(IV) iodide with... 4 KB (279 words) - 00:51, 23 September 2023 |
Iridium(II) chloride is an inorganic chemical compound of iridium metal and chlorine with the chemical formula IrCl2. This is a metal salt of iridium... 4 KB (265 words) - 19:13, 28 February 2024 |
 | Organoiridium chemistry (section Iridium(0)) Organoiridium chemistry is the chemistry of organometallic compounds containing an iridium-carbon chemical bond. Organoiridium compounds are relevant to many important... 11 KB (1,057 words) - 17:21, 26 September 2023 |
 | Iridium(III) bromide is a bromide of iridium(III), with the chemical formula of IrBr3. Iridium(III) bromide can be formed by reacting iridium(II) bromide... 4 KB (365 words) - 03:12, 10 July 2023 |
 | Iridium 33 was a communications satellite launched by Russia for Iridium Communications. It was launched into low Earth orbit from Site 81/23 at the Baikonur... 6 KB (438 words) - 12:43, 8 July 2023 |
 | Platinum–iridium alloys are alloys of the platinum group precious metals platinum and iridium. Typical alloy proportions are 90:10 or 70:30 (Pt:Ir). These... 5 KB (493 words) - 01:53, 25 January 2024 |
Iridium sulfide may refer to: Iridium(III) sulfide, Ir2S3 Iridium disulfide, IrS2 This set index article lists chemical compounds articles associated... 481 bytes (46 words) - 01:17, 4 November 2023 |
Iridium(IV) iodide is a binary chemical compound of iridium and iodide with the chemical formula IrI 4. Iridium(IV) iodide can be obtained by reacting... 4 KB (231 words) - 06:45, 29 March 2024 |