Element Manganese - Mn

Comprehensive data top top the chemical aspect Manganese is provided on this page; consisting of scores of properties, facet names in numerous languages, most known nuclides of Manganese. Common chemical compounds space also detailed for many elements. In enhancement technical terms are linked to their definitions and also the menu includes links to related articles that room a good aid in one"s studies.

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Manganese Menu

Manganese page OneOverview the ManganeseManganese"s name in various other LanguagesAtomic framework of ManganeseChemical properties of ManganesePhysical properties of ManganeseRegulatory / HealthWho/When/Where/HowManganese page TwoNuclides / IsotopesPotential parent NuclidesManganese web page ThreeCommon chemical Compounds of Manganese

Overview the Manganese

Atomic Number: 25Group: 7Period: 4Series: change Metals

Manganese"s name in other Languages

Latin: ManganumCzech: ManganCroatian: ManganFrench: ManganeseGerman: Mangan - rItalian: ManganeseNorwegian: ManganPortuguese: ManganêsRussian: МарганецSpanish: ManganesioSwedish: ManganAtomic structure of ManganeseAtomic Radius: 1.79ÅAtomic Volume: 1.39cm3/molCovalent Radius: 1.17ÅCross Section (Thermal spirit Capture) σa/barns: 13.3Crystal Structure: Cubic human body centered
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Electron Configuration:1s2 2s2p6 3s2p6d5 4s2Electrons per energy Level: 2,8,13,2Shell Model
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Ionic Radius:
0.46ÅFilling Orbital: 3d5Number of electron (with no charge): 25Number of neutron (most common/stable nuclide): 30Number the Protons: 25Oxidation States: 7,6,4,2,3Valence Electrons: 3d5 4s2Electron dot Model
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Chemical properties of Manganese

Electrochemical Equivalent:
0.29282g/amp-hrElectron occupational Function: 4.1eVElectronegativity: 1.55 (Pauling); 1.6 (Allrod Rochow)Heat of Fusion: 12.05kJ/molIncompatibilities:OxidizersIonization PotentialFirst: 7.435Second: 15.64Third: 33.667Valence Electron Potential (-eV): 220

Physical nature of Manganese

Atomic fixed Average: 54.93805Boiling Point: 2235K 1962°C 3564°FCoefficient of lineal heat expansion/K-1: 22E-6ConductivityElectrical: 0.00695 106/cm ΩThermal: 0.0782 W/cmKDensity: 7.43g/cc
300KDescription:Silver-gray change metal with a pinkish tinge.Elastic Modulus:Bulk: 120/GPaRigidity: 79.5/GPaYoungs: 191/GPaEnthalpy that Atomization: 280.3 kJ/mole
25°CEnthalpy that Fusion: 14.64 kJ/moleEnthalpy the Vaporization: 219.7 kJ/moleFlammablity Class: Metal: combustible SolidFreezing Point: see melting pointHardness ScaleBrinell: 196 MN m-2Mohs: 6Heat that Vaporization: 226kJ/molMelting Point: 1517K 1244°C 2271°FMolar Volume: 7.35 cm3/molePhysical State (at 20°C & 1atm): SolidSpecific Heat: 0.48J/gKVapor Pressure = 121Pa
1244°C

Regulatory / Health

CAS Number7439-96-5RTECS: 009275000 (metal)OSHA permit Exposure limit (PEL)Ceiling: 5 mg/m3OSHA PEL Vacated 1989TWA: 1 mg/m3Ceiling: 5 mg/m3STEL: 3 mg/m3NIOSH recommended Exposure limit (REL)TWA: 1 mg/m3STEL: 3 mg/m3IDLH: 500 mg/m3 Routes that Exposure: Inhalation; IngestionTarget Organs: respiratory system, main nervous system, blood, kidneysLevels In Humans:Note: this data represents normally occuring levels of aspects in the usual human, the DOES NOT represent recommended daily allowances.Blood/mg dm-3: 0.0016-0.075Bone/p.p.m: 0.2-100Liver/p.p.m: 3.6-9.6Muscle/p.p.m: 0.2-2.3Daily dietary Intake: 0.4-10 mgTotal fixed In Avg. 70kg human: 12 mg

Who / wherein / once / How

Discoverer: Johann G. GahnDiscovery Location: Stockholm SwedenDiscovery Year: 1774Name Origin:Latin: mangnes (magnet); Ital. Manganese.Abundance the Manganese:Earth"s Crust/p.p.m.: 950Seawater/p.p.m.: Atlantic Suface: 0.0001Atlantic Deep: 0.000096Pacific Surface: 0.0001Pacific Deep: 0.00004Atmosphere/p.p.m.: N/ASun (Relative to H=1E12): 2.63Sources of Manganese:Most abundant ores room pyrolusite (MnO2), psilomelane <(BaH2O)2Mn5O10> and rhodochrosite (MnCO3). Yearly world manufacturing is roughly 6,220,000 tons. Main mining locations are southern Africa, Russia, Gabon, Australia, Brazil.Uses the Manganese:Used in steel, batteries, axles, rail switches, safes, plows and ceramics.Additional Notes:

Manganese Menu

Manganese page OneOverview that ManganeseManganese"s surname in various other LanguagesAtomic framework of ManganeseChemical nature of ManganesePhysical nature of ManganeseRegulatory / HealthWho/When/Where/HowManganese web page TwoNuclides / IsotopesPotential parental NuclidesManganese page ThreeCommon chemical Compounds that Manganese

References

A list of reference sources offered to translate in the data noted on our periodic table of elements can be found on the key periodic table page.

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