Element Barium - Ba
Comprehensive data ~ above the chemical aspect Barium is provided on this page; including scores of properties, facet names in plenty of languages, most recognized nuclides that Barium. Usual chemical compounds are also noted for plenty of elements. In addition technical terms are connected to their definitions and the menu has links to related articles that space a great aid in one"s studies.
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Barium MenuBarium web page OneOverview of BariumBarium"s surname in other LanguagesAtomic framework of BariumChemical nature of BariumPhysical properties of BariumRegulatory / HealthWho/When/Where/HowBarium web page TwoNuclides / IsotopesPotential parental NuclidesBarium page ThreeCommon chemistry Compounds of Barium
Overview that BariumAtomic Number: 56Group: 2Period: 6Series: Alkali earth Metals
Barium"s name in various other LanguagesLatin: BaryumCzech: BaryumCroatian: BarijFrench: BaryumGerman: Barium - sItalian: BarioNorwegian: BariumPortuguese: BárioRussian: БарийSpanish: BarioSwedish: BariumAtomic framework of BariumAtomic Radius: 2.78ÅAtomic Volume: 39.24cm3/molCovalent Radius: 1.98ÅCross Section (Thermal ghost Capture)σa/barns: 1.3Crystal Structure: Cubic body centered
Chemical properties of BariumElectrochemical Equivalent: 2.5621g/amp-hrElectron work-related Function: 2.7eVElectronegativity: 0.89 (Pauling); 0.97 (Allrod Rochow)Heat that Fusion: 7.75kJ/molIncompatibilities:Ionization PotentialFirst: 5.212Second: 10.004Valence Electron Potential (-eV): 21.3
Physical properties of BariumAtomic fixed Average: 137.327Boiling Point: 2171K 1898°C 3448°FCoefficient of lineal thermal expansion/K-1: 18.1E-6ConductivityElectrical: 0.03 106/cm ΩThermal: 0.184 W/cmKDensity: 3.59g/cc
300KDescription:Soft heavy silver colored metal.Elastic Modulus:Bulk: 9.6/GPaRigidity: 4.86/GPaYoungs: 12.8/GPaEnthalpy the Atomization: 175.7 kJ/mole
25°CEnthalpy the Fusion: 7.66 kJ/moleEnthalpy the Vaporization: 140 kJ/moleFlammablity Class:Freezing Point: see melting pointHardness ScaleMohs: 1.25Heat of Vaporization: 142kJ/molMelting Point: 1002K 729°C 1344°FMolar Volume: 38.21 cm3/molePhysical State (at 20°C & 1atm): SolidSpecific Heat: 0.204J/gKVapor Pressure = 98Pa
Regulatory / HealthCAS Number7440-39-3RTECS: CQ8370000NFPA 704Health: 2Fire: 2Reactivity:Special Hazard: OSHA permissible Exposure border (PEL)No limits set 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 elements in the common human, it DOES NOT stand for recommended everyday allowances.Blood/mg dm-3: 0.068Bone/p.p.m: 3-70Liver/p.p.m: 0.04-1.2Muscle/p.p.m: 0.09Daily dietary Intake: 0.6-1.7 mgTotal massive In Avg. 70kg human: 22 mg
Who / wherein / once / HowDiscoverer: sir Humphrey DavyDiscovery Location: London EnglandDiscovery Year: 1808Name Origin:Greek: barys (heavy or dense).Abundance of Barium:Earth"s Crust/p.p.m.: 500Seawater/p.p.m.: Atlantic Suface: 0.0047Atlantic Deep: 0.0093Pacific Surface: 0.0047Pacific Deep: 0.02Atmosphere/p.p.m.: N/ASun (Relative to H=1E12): 123Sources of Barium:Found in barytine (BaSO4) and also witherite (BaCO3),never uncovered in pure type due come its reactivity. Total yearly world manufacturing estimated roughly 6,000,000 tons. Main mining areas are UK, Italy, Czech Republic, USA and also Germany. Total people reserves estimated to be approximately 450,000,000 tons.Uses that Barium:Used in sparkplugs, vacuum tubes, fireworks, fluorescent lamps. Insoluble barium sulfate is provided for human body imaging.Additional Notes:Must be stored under kerosene to remain pure. Dissolve barium salt are extremely toxic.
Barium MenuBarium web page OneOverview the BariumBarium"s surname in other LanguagesAtomic structure of BariumChemical properties of BariumPhysical nature of BariumRegulatory / HealthWho/When/Where/HowBarium web page TwoNuclides / IsotopesPotential parent NuclidesBarium page ThreeCommon chemical Compounds of Barium
A perform of recommendation sources supplied to translate in the data listed on our regular table of elements can be found on the main periodic table page.
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