Element Barium - Ba

Comprehensive data top top the chemical facet Barium is noted on this page; consisting of scores the properties, aspect names in plenty of languages, most recognized nuclides of Barium. Common chemical compounds are also listed for plenty of elements. In enhancement technical state are attached to their definitions and the menu contains links to related short articles that space a an excellent aid in one"s studies.

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Barium Menu

Barium web page OneOverview that BariumBarium"s name in other LanguagesAtomic structure of BariumChemical properties of BariumPhysical nature of BariumRegulatory / HealthWho/When/Where/HowBarium web page TwoNuclides / IsotopesPotential parental NuclidesBarium web page ThreeCommon chemical Compounds the Barium

Overview the Barium

Atomic Number: 56Group: 2Period: 6Series: Alkali earth Metals

Barium"s surname in various other Languages

Latin: 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 human body centered
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Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6d10 5s2p6 6s2Electrons per energy Level: 2,8,18,18,8,2Shell Model
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Ionic Radius:
1.35ÅFilling Orbital: 6s2Number of electron (with no charge): 56Number of neutron (most common/stable nuclide): 81Number that Protons: 56Oxidation States: 2Valence Electrons: 6s2Electron period Model
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Chemical nature of Barium

Electrochemical Equivalent:
2.5621g/amp-hrElectron job-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 nature of Barium

Atomic mass Average: 137.327Boiling Point: 2171K 1898°C 3448°FCoefficient of lineal heat expansion/K-1: 18.1E-6ConductivityElectrical: 0.03 106/cm ΩThermal: 0.184 W/cmKDensity: 3.59g/cc
300KDescription:Soft hefty silver colored metal.Elastic Modulus:Bulk: 9.6/GPaRigidity: 4.86/GPaYoungs: 12.8/GPaEnthalpy of Atomization: 175.7 kJ/mole
25°CEnthalpy of Fusion: 7.66 kJ/moleEnthalpy of Vaporization: 140 kJ/moleFlammablity Class:Freezing Point: see melting pointHardness ScaleMohs: 1.25Heat the 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
729°C

Regulatory / Health

CAS Number7440-39-3RTECS: CQ8370000NFPA 704Health: 2Fire: 2Reactivity:Special Hazard: OSHA permissible Exposure limit (PEL)No limits set by OSHAOSHA PEL Vacated 1989No limits collection by OSHANIOSH recommended Exposure border (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 day-to-day 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 mass In Avg. 70kg human: 22 mg

Who / whereby / when / How

Discoverer: 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 to its reactivity. Total yearly world production estimated roughly 6,000,000 tons. Key mining areas are UK, Italy, Czech Republic, USA and also Germany. Total world reserves approximated to be around 450,000,000 tons.Uses that Barium:Used in sparkplugs, vacuum tubes, fireworks, fluorescent lamps. Insoluble barium sulfate is supplied for body imaging.Additional Notes:Must it is in stored under kerosene to remain pure. Soluble barium salts are extremely toxic.

Barium Menu

Barium page OneOverview the BariumBarium"s name in various other LanguagesAtomic structure of BariumChemical properties of BariumPhysical nature of BariumRegulatory / HealthWho/When/Where/HowBarium web page TwoNuclides / IsotopesPotential parental NuclidesBarium page ThreeCommon chemistry Compounds the Barium

References

A perform of reference sources provided to compile the data provided on our routine table of elements can be found on the main periodic table page.

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