Element Rubidium - Rb

Comprehensive data top top the chemical element Rubidium is provided on this page; including scores of properties, facet names in plenty of languages, most well-known nuclides that Rubidium. Usual chemical compounds space also provided for many elements. In addition technical state are linked to their definitions and also the menu has links come related posts that room a great aid in one"s studies.

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Rubidium Menu

Rubidium page OneOverview of RubidiumRubidium"s name in various other LanguagesAtomic structure of RubidiumChemical properties of RubidiumPhysical nature of RubidiumRegulatory / HealthWho/When/Where/HowRubidium page TwoNuclides / IsotopesPotential parent Nuclides

Overview that Rubidium

Atomic Number: 37Group: 1Period: 5Series: Alkali Metals

Rubidium"s name in various other Languages

Latin: RubidiumCzech: RubidiumCroatian: RubidijFrench: RubidiumGerman: Rubidium - sItalian: RubidioNorwegian: RubidiumPortuguese: RubidioRussian: РубидийSpanish: RubídioSwedish: RubidiumAtomic framework of RubidiumAtomic Radius: 2.98ÅAtomic Volume: 55.9cm3/molCovalent Radius: 2.16ÅCross Section (Thermal neutron Capture) σa/barns: 0.38Crystal Structure: Cubic body centered
Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6 5s1Electrons per power Level: 2,8,18,8,1Shell Model
Ionic Radius:
1.52ÅFilling Orbital: 5s1Number of electron (with no charge): 37Number of neutrons (most common/stable nuclide): 48Number the Protons: 37Oxidation States: 1Valence Electrons: 5s1Electron period Model

Chemical nature of Rubidium

Electrochemical Equivalent:
3.1888g/amp-hrElectron job-related 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 Rubidium

Atomic mass Average: 85.4678Boiling Point: 961K 688°C 1270°FCoefficient that 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 rapidly and ignites in air.Elastic Modulus:Bulk: 2.5/GPaRigidity: 0.91/GPaYoungs: 2.35/GPaEnthalpy the Atomization: 82 kJ/mole
25°CEnthalpy that Fusion: 2.19 kJ/moleEnthalpy the Vaporization: 69.2 kJ/moleFlammablity Class:Freezing Point: see melt pointHardness ScaleBrinell: 0.216 MN m-2Mohs: 0.3Heat the 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 / Health

CAS Number7440-17-7OSHA permissible Exposure border (PEL)No limits collection by OSHAOSHA PEL Vacated 1989No limits collection by OSHANIOSH encourage Exposure limit (REL)No limits set by NIOSH Levels In Humans:Note: this data represents normally occuring level of facets in the typical human, it DOES NOT stand for recommended everyday allowances.Blood/mg dm-3: 2.49Bone/p.p.m: 0.1-5Liver/p.p.m: 20-70Muscle/p.p.m: 20-70Daily diet Intake: 1.5-6 mgTotal mass In Avg. 70kg human: 680 mgDiscovery Year: 1861Name Origin:Latin: rubidus (red); the shade its salts impart come 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 the Rubidium:Occurs abundantly, yet so widespread that production is limited. Usually obtained from lithium production.Uses the Rubidium:Has limited commercial uses and also is primarily used for study purposes.Additional Notes:

Rubidium Menu

Rubidium web page OneOverview that RubidiumRubidium"s surname in other LanguagesAtomic structure of RubidiumChemical properties of RubidiumPhysical nature of RubidiumRegulatory / HealthWho/When/Where/HowRubidium web page TwoNuclides / IsotopesPotential parental Nuclides


A list of reference sources offered to translate in the data provided on our regular table of facets can be discovered on the main periodic table page.

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