Element Rubidium - Rb
Comprehensive data on the chemical facet Rubidium is provided on this page; consisting of scores of properties, aspect names in many languperiods, a lot of recognized nuclides of Rubidium. Common chemical compounds are likewise offered for many type of elements. In enhancement technical terms are connected to their interpretations and the menu includes web links to related posts that are a good help in one"s researches.
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Rubidium MenuRubidium Page OneRundown of RubidiumRubidium"s Name in Other LanguagesAtomic Structure of RubidiumChemical Properties of RubidiumPhysical Properties of RubidiumRegulatory / HealthWho/When/Where/HowRubidium Page TwoNuclides / IsotopesPotential Parent Nuclides
Summary of RubidiumAtomic Number: 37Group: 1Period: 5Series: Alkali Metals
Rubidium"s Name in 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 Neutron 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 of 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 of lineal thermal expansion/K-1: 90E-6ConductivityElectrical: 0.0779 106/cm ΩThermal: 0.582 W/cmKDensity: 1.63g/cc
300KDescription:Soft silver white metal that oxidises swiftly and also ignites in air.Elastic Modulus:Bulk: 2.5/GPaRigidity: 0.91/GPaYoungs: 2.35/GPaEnthalpy of Atomization: 82 kJ/mole
25°CEnthalpy of Fusion: 2.19 kJ/moleEnthalpy of Vaporization: 69.2 kJ/moleFlammablity Class:Freezing Point: view melting pointHardness ScaleBrinell: 0.216 MN m-2Mohs: 0.3Heat of 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 Permissible Exposure Limit (PEL)No borders set by OSHAOSHA PEL Vacated 1989No boundaries collection by OSHANIOSH Recommfinished Exposure Limit (REL)No borders collection by NIOSH Levels In Humans:Note: this information represents normally occuring levels of elements in the typical humale, it DOES NOT represent recommended day-to-day 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 Mass In Avg. 70kg human: 680 mgDiscoincredibly Year: 1861Name Origin:Latin: rubidus (red); the color 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 to H=1E12): 400Sources of Rubidium:Occurs abundantly, yet so widespcheck out that production is restricted. Generally derived from lithium production.Uses of Rubidium:Has limited commercial offers and is mainly supplied for study purposes.Further Notes:
Rubidium MenuRubidium Page OneSynopsis of RubidiumRubidium"s Name in Other LanguagesAtomic Structure of RubidiumChemical Properties of RubidiumPhysical Properties of RubidiumRegulatory / HealthWho/When/Where/HowRubidium Page TwoNuclides / IsotopesPotential Parent Nuclides
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