Element Molybdenum - Mo
Comprehensive data top top the chemical facet Molybdenum is detailed on this page; consisting of scores of properties, facet names in plenty of languages, most known nuclides of Molybdenum. Common chemical compounds room also listed for plenty of elements. In enhancement technical terms are attached to your definitions and also the menu contains links to related write-ups that room a an excellent aid in one"s studies.
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Molybdenum MenuMolybdenum web page OneOverview the MolybdenumMolybdenum"s surname in various other LanguagesAtomic framework of MolybdenumChemical properties of MolybdenumPhysical nature of MolybdenumRegulatory / HealthWho/When/Where/HowMolybdenum web page TwoNuclides / IsotopesPotential parent NuclidesMolybdenum web page ThreeCommon chemistry Compounds the Molybdenum
Overview the MolybdenumAtomic Number: 42Group: 6Period: 5Series: shift Metals
Molybdenum"s surname in other LanguagesLatin: MolybdaenumCzech: MolybdenCroatian: MolibdenFrench: MolybdéneGerman: Molybdän - rItalian: MolibdenoNorwegian: MolybdenPortuguese: MolibdênioRussian: МолибденSpanish: MolibdenoSwedish: MolybdenAtomic structure of MolybdenumAtomic Radius: 2.01ÅAtomic Volume: 9.4cm3/molCovalent Radius: 1.3ÅCross Section (Thermal neutron Capture) σa/barns: 2.6Crystal Structure: Cubic body centered
Chemical nature of MolybdenumElectrochemical Equivalent: 0.8949g/amp-hrElectron job-related Function: 4.6eVElectronegativity: 2.16 (Pauling); 1.3 (Allrod Rochow)Heat the Fusion: 32kJ/molIncompatibilities:Strong oxidizersIonization PotentialFirst: 7.099Second: 16.461Third: 27.16Valence Electron Potential (-eV): 88.6
Physical properties of MolybdenumAtomic fixed Average: 95.94Boiling Point: 4885K 4612°C 8334°FCoefficient of lineal heat expansion/K-1: 5.43E-6ConductivityElectrical: 0.187 106/cm ΩThermal: 1.38 W/cmKDensity: 10.22g/cc
300KDescription: difficult silvery-white transition metal.Elastic Modulus:Bulk: 261.2/GPaRigidity: 125.6/GPaYoungs: 324.8/GPaEnthalpy of Atomization: 653 kJ/mole
25°CEnthalpy that Fusion: 27.61 kJ/moleEnthalpy the Vaporization: 594.1 kJ/moleFlammablity Class: Combusrible hard in powder formFreezing Point: see melting pointHardness ScaleBrinell: 1500 MN m-2Mohs: 5.5Vickers: 1530 MN m-2Heat the Vaporization: 598kJ/molMelting Point: 2890K 2617°C 4743°FMolar Volume: 9.41 cm3/moleOptical Reflectivity: 58%Physical State (at 20°C & 1atm): SolidSpecific Heat: 0.25J/gKVapor Pressure = 3.47Pa
Regulatory / HealthCAS Number7439-98-7RTECS: QA4680000OSHA permissible Exposure border (PEL)TWA: 15 mg/m3OSHA PEL Vacated 1989TWA: 10 mg/m3NIOSH encourage Exposure limit (REL)IDLH: 5000 mg/m3 Routes of Exposure: Inhalation; Ingestion; Skin and/or eye contactTarget Organs: Eyes, respiratory tract system, liver, kidneysLevels In Humans:Note: this data represents naturally occuring level of aspects in the common human, that DOES NOT represent recommended day-to-day allowances.Blood/mg dm-3: 0.001Bone/p.p.m: Liver/p.p.m: 1.3-5.8Muscle/p.p.m: 0.018Daily dietary Intake: 0.05-0.35 mgTotal fixed In Avg. 70kg human: 5 mg
Who / wherein / when / HowDiscoverer: Carl Wilhelm ScheeleP.J. HjelmDiscovery Location: Uppsala SwedenDiscovery Year: 1781Name Origin:Greek: molubdos (lead).Abundance of Molybdenum:Earth"s Crust/p.p.m.: 1.5Seawater/p.p.m.: 0.01Atmosphere/p.p.m.: N/ASun (Relative come H=1E12): 145Sources the Molybdenum:Found in the mineral molybdenite (MoS2) and wulfenite (MoO4Pb) also produced together a by-product of copper production. Yearly world broad production is around 80,000 tons. Major mining locations are USA, Australia, Italy, Norway, Bolivia.Uses the Molybdenum:Used in steel, aircraft, missiles, filaments in electrical heaters, lubricants and protective coatings in boiler plates.Additional Notes:
Molybdenum MenuMolybdenum web page OneOverview the MolybdenumMolybdenum"s surname in other LanguagesAtomic structure of MolybdenumChemical properties of MolybdenumPhysical nature of MolybdenumRegulatory / HealthWho/When/Where/HowMolybdenum web page TwoNuclides / IsotopesPotential parent NuclidesMolybdenum page ThreeCommon chemistry Compounds the Molybdenum
A perform of reference sources provided to translate in the data listed on our regular table of elements can be found on the key periodic table page.
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