Element Rubidium - Rb
Comprehensive data ~ above the chemical aspect Rubidium is detailed on this page; consisting of scores the properties, element names in plenty of languages, most recognized nuclides that Rubidium. Usual chemical compounds are also listed for numerous elements. In enhancement technical state are attached to your definitions and also the menu contains links come related posts that space a an excellent aid in one"s studies.
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Rubidium MenuRubidium page OneOverview the RubidiumRubidium"s surname in various other LanguagesAtomic structure of RubidiumChemical nature of RubidiumPhysical properties of RubidiumRegulatory / HealthWho/When/Where/HowRubidium page TwoNuclides / IsotopesPotential parent Nuclides
Overview that RubidiumAtomic Number: 37Group: 1Period: 5Series: Alkali Metals
Rubidium"s name in various other LanguagesLatin: RubidiumCzech: RubidiumCroatian: RubidijFrench: RubidiumGerman: Rubidium - sItalian: RubidioNorwegian: RubidiumPortuguese: RubidioRussian: РубидийSpanish: RubídioSwedish: RubidiumAtomic structure of RubidiumAtomic Radius: 2.98ÅAtomic Volume: 55.9cm3/molCovalent Radius: 2.16ÅCross Section (Thermal ghost Capture) σa/barns: 0.38Crystal Structure: Cubic body centered
Chemical properties of RubidiumElectrochemical Equivalent: 3.1888g/amp-hrElectron work Function: 2.16eVElectronegativity: 0.82 (Pauling); 0.89 (Allrod Rochow)Heat the Fusion: 2.192kJ/molIncompatibilities:Ionization PotentialFirst: 4.177Second: 27.28Third: 40Valence Electron Potential (-eV): 9.47
Physical properties of RubidiumAtomic mass Average: 85.4678Boiling Point: 961K 688°C 1270°FCoefficient that lineal heat expansion/K-1: 90E-6ConductivityElectrical: 0.0779 106/cm ΩThermal: 0.582 W/cmKDensity: 1.63g/cc
300KDescription:Soft silver- white metal that oxidises rapidly and also ignites in air.Elastic Modulus:Bulk: 2.5/GPaRigidity: 0.91/GPaYoungs: 2.35/GPaEnthalpy of Atomization: 82 kJ/mole
25°CEnthalpy that Fusion: 2.19 kJ/moleEnthalpy the Vaporization: 69.2 kJ/moleFlammablity Class:Freezing Point: see melting pointHardness ScaleBrinell: 0.216 MN m-2Mohs: 0.3Heat that Vaporization: 72.216kJ/molMelting Point: 312.79K 39.64°C 103.35°FMolar Volume: 55.79 cm3/molePhysical State (at 20°C & 1atm): SolidSpecific Heat: 0.363J/gKVapor Pressure = 0.000156Pa
Regulatory / HealthCAS Number7440-17-7OSHA permit Exposure border (PEL)No limits collection by OSHAOSHA PEL Vacated 1989No limits set by OSHANIOSH recommended Exposure limit (REL)No limits collection by NIOSH Levels In Humans:Note: this data represents normally occuring level of facets in the typical human, the DOES NOT represent recommended daily allowances.Blood/mg dm-3: 2.49Bone/p.p.m: 0.1-5Liver/p.p.m: 20-70Muscle/p.p.m: 20-70Daily dietary Intake: 1.5-6 mgTotal fixed In Avg. 70kg human: 680 mgDiscovery Year: 1861Name Origin:Latin: rubidus (red); the shade its salts impart to flames.Abundance of Rubidium:Earth"s Crust/p.p.m.: 90Seawater/p.p.m.: 0.12Atmosphere/p.p.m.: N/ASun (Relative come H=1E12): 400Sources the Rubidium:Occurs abundantly, however so widespread that production is limited. Usually obtained from lithium production.Uses of Rubidium:Has restricted commercial uses and is mostly used for research purposes.Additional Notes:
Rubidium MenuRubidium web page OneOverview that RubidiumRubidium"s name in various other LanguagesAtomic structure of RubidiumChemical properties of RubidiumPhysical properties of RubidiumRegulatory / HealthWho/When/Where/HowRubidium web page TwoNuclides / IsotopesPotential parental Nuclides
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