Element Rhodium - Rh
Comprehensive data top top the chemical facet Rhodium is noted on this page; consisting of scores that properties, facet names in many languages, most recognized nuclides of Rhodium. Usual chemical compounds are also provided for many elements. In addition technical terms are linked to your definitions and the menu has links come related short articles that space a an excellent aid in one"s studies.
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Rhodium MenuRhodium page OneOverview that RhodiumRhodium"s name in various other LanguagesAtomic structure of RhodiumChemical properties of RhodiumPhysical nature of RhodiumRegulatory / HealthWho/When/Where/HowRhodium page TwoNuclides / IsotopesPotential parental NuclidesRhodium web page ThreeCommon chemistry Compounds that Rhodium
Overview the RhodiumAtomic Number: 45Group: 9Period: 5Series: shift Metals
Rhodium"s surname in other LanguagesLatin: RhodiumCzech: RhodiumCroatian: RodijFrench: RhodiumGerman: Rhodium - sItalian: RodioNorwegian: RhodiumPortuguese: RódioRussian: РодийSpanish: RodioSwedish: RodiumAtomic structure of RhodiumAtomic Radius: 1.83ÅAtomic Volume: 8.3cm3/molCovalent Radius: 1.25ÅCross Section (Thermal neutron Capture) σa/barns: 144.8Crystal Structure: Cubic confront centered
Chemical nature of RhodiumElectrochemical Equivalent: 1.2798g/amp-hrElectron job-related Function: 4.98eVElectronegativity: 2.28 (Pauling); 1.45 (Allrod Rochow)Heat of Fusion: 21.5kJ/molIncompatibilities:Chlorine trifluoride, oxygen difluorideIonization PotentialFirst: 7.46Second: 18.08Third: 31.06Valence Electron Potential (-eV): 64
Physical properties of RhodiumAtomic mass Average: 102.9055Boiling Point: 4000K 3727°C 6741°FCoefficient the lineal heat expansion/K-1: 8.4E-6ConductivityElectrical: 0.211 106/cm ΩThermal: 1.5 W/cmKDensity: 12.41g/cc
300KDescription:Hard silver- white metal that is unaffected through air and also water as much as 875K. It is additionally unaffected by acids however is attacked by multen alkalis.Elastic Modulus:Bulk: 276/GPaRigidity: 147/GPaYoungs: 379/GPaEnthalpy of Atomization: 556.5 kJ/mole
25°CEnthalpy of Fusion: 21.76 kJ/moleEnthalpy of Vaporization: 495.4 kJ/moleFlammablity Class: Non-combustible solid (except as dust)Freezing Point: see melting pointHardness ScaleBrinell: 1100 MN m-2Mohs: 6Vickers: 1246 MN m-2Heat that Vaporization: 493kJ/molMelting Point: 2239K 1966°C 3571°FMolar Volume: 8.3 cm3/moleOptical Reflectivity: 84%Physical State (at 20°C & 1atm): SolidSpecific Heat: 0.242J/gKVapor Pressure = 0.633Pa
Regulatory / HealthCAS Number7440-16-6RTECS: VI9069000OSHA permit Exposure limit (PEL)TWA: 0.1 mg/m3OSHA PEL Vacated 1989TWA: 0.1 mg/m3NIOSH encourage Exposure limit (REL)TWA: 0.1 mg/m3IDLH: 100 mg/m3 Routes of Exposure: InhalationTarget Organs: respiratory tract systemLevels In Humans:Note: this data represents normally occuring levels of elements in the common human, it DOES NOT represent recommended daily allowances.Blood/mg dm-3: n/aBone/p.p.m: n/aLiver/p.p.m: n/aMuscle/p.p.m: n/aDaily dietary Intake: n/aTotal mass In Avg. 70kg human: n/a
Who / wherein / when / HowDiscoverer: william H. WollastonDiscovery Location: London EnglandDiscovery Year: 1803Name Origin:Greek: rhodon (rose). That is salts give a rose solution.Abundance the Rhodium:Earth"s Crust/p.p.m.: 0.0002Seawater/p.p.m.: N/AAtmosphere/p.p.m.: N/ASun (Relative to H=1E12): 25.1Sources of Rhodium:Obtained as a by-product of nickel production. Rhodium is found in its aboriginal state in Montana USA. Around three lots of Rhodium are developed world wide on an yearly basis.Uses that Rhodium:Used as a coating to avoid wear on high quality science equipment and also with platinum to do thermocouples. Additionally used in headlight reflectors, thelephone relays, spring pen points and plane spark plugs.Additional Notes:
Rhodium MenuRhodium page OneOverview of RhodiumRhodium"s name in other LanguagesAtomic framework of RhodiumChemical nature of RhodiumPhysical nature of RhodiumRegulatory / HealthWho/When/Where/HowRhodium web page TwoNuclides / IsotopesPotential parental NuclidesRhodium web page ThreeCommon chemistry Compounds the Rhodium
A perform of referral sources provided to translate in the data listed on our routine table of elements can be discovered on the key periodic table page.
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