Element Cesium - Cs
Comprehensive data top top the chemical facet Cesium is listed on this page; including scores of properties, element names in numerous languages, most well-known nuclides of Cesium. Common chemical compounds room also listed for plenty of elements. In enhancement technical terms are attached to your definitions and also the menu includes links to related posts that are a an excellent aid in one"s studies.
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Cesium MenuCesium web page OneOverview the CesiumCesium"s surname in other LanguagesAtomic framework of CesiumChemical nature of CesiumPhysical properties of CesiumRegulatory / HealthWho/When/Where/HowCesium page TwoNuclides / IsotopesPotential parent NuclidesCesium web page ThreeCommon chemical Compounds the Cesium
Overview the CesiumAtomic Number: 55Group: 1Period: 6Series: Alkali Metals
Cesium"s name in other LanguagesLatin: CaesiumCzech: CesiumCroatian: CezijFrench: CésiumGerman: Zäsium - sItalian: CesioNorwegian: CesiumPortuguese: CésioRussian: ЦеэийSpanish: CesioSwedish: CesiumAtomic structure of CesiumAtomic Radius: 3.34ÅAtomic Volume: 71.07cm3/molCovalent Radius: 2.35ÅCross Section (Thermal spirit Capture)σa/barns: 29Crystal Structure: Cubic body centered
Chemical nature of CesiumElectrochemical Equivalent: 4.9587g/amp-hrElectron job-related Function: 2.14eVElectronegativity: 0.79 (Pauling); 0.86 (Allrod Rochow)Heat of Fusion: 2.092kJ/molIncompatibilities:Ionization PotentialFirst: 3.894Second: 25.1Valence Electron Potential (-eV): 8.62
Physical properties of CesiumAtomic fixed Average: 132.9054Boiling Point: 944K 671°C 1240°FCoefficient of lineal heat expansion/K-1: 97E-6ConductivityElectrical: 0.0489 106/cm ΩThermal: 0.359 W/cmKDensity: 1.873g/cc
300KDescription:Soft light silvery-white alkali metal.Elastic Modulus:Bulk: 1.6/GPaRigidity: 0.65/GPaYoungs: 1.7/GPaEnthalpy the Atomization: 78.2 kJ/mole
25°CEnthalpy the Fusion: 2.1 kJ/moleEnthalpy that Vaporization: 65.9 kJ/moleFlammablity Class:Freezing Point: see melt pointHardness ScaleBrinell: 0.14 MN m-2Mohs: 0.2Heat of Vaporization: 67.74kJ/molMelting Point: 301.7K 28.55°C 83.39°FMolar Volume: 70.73 cm3/molePhysical State (at 20°C & 1atm): SolidSpecific Heat: 0.24J/gKVapor Pressure 2.5kPa
Regulatory / HealthCAS Number7440-46-2RTECS: FK9225000OSHA permissible Exposure border (PEL)No limits collection by OSHAOSHA PEL Vacated 1989No limits collection by OSHANIOSH recommended Exposure border (REL)No limits set by NIOSH Levels In Humans:Note: this data represents normally occuring level of aspects in the common human, the DOES NOT stand for recommended everyday allowances.Blood/mg dm-3: 0.0038Bone/p.p.m: 0.013-0.052Liver/p.p.m: 0.04-0.05Muscle/p.p.m: 0.07-1.6Daily diet Intake: 0.004-0.03 mgTotal massive In Avg. 70kg human: 6 mg
Who / whereby / as soon as / HowDiscoverer: Gustov R. Kirchoff, Robert BunsenDiscovery Location: Heidelberg GermanyDiscovery Year: 1860Name Origin: Latin: caesius (sky blue); that is salts revolve flames blue.Abundance of Cesium:Earth"s Crust/p.p.m.: 3Seawater/p.p.m.: 0.0003Atmosphere/p.p.m.: N/ASun (Relative come H=1E12): 80Sources of Cesium:Found in pollucite <(Cs4Al4Si9O26).H2O> and as map in lepidolite. World production is approximately 20 loads per year. Primary mining areas are in Bernic Lake (Manitoba, Canada), Bikita (Zimbabwe) and also South-West Africa.Uses the Cesium:Used as a "getter" to remove air traces in vacuum tubes. Because it ionizes readily, the is provided as one ion rocket engine propellant. Additionally used in photoelectric cells, atomic clocks, infared lamps.Additional Notes:Cesium can have an extremely serious effects on the body if taken in excess.
Cesium MenuCesium web page OneOverview the CesiumCesium"s name in various other LanguagesAtomic framework of CesiumChemical nature of CesiumPhysical properties of CesiumRegulatory / HealthWho/When/Where/HowCesium page TwoNuclides / IsotopesPotential parental NuclidesCesium page ThreeCommon chemical Compounds that Cesium
A perform of recommendation sources used to translate in the data provided on our periodic table of facets can be discovered on the key periodic table page.
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