Element Strontium - Sr

Comprehensive data on the chemical element Strontium is provided on this page; including scores the properties, aspect names in countless languages, most well-known nuclides the Strontium. Common chemical compounds room also listed for numerous elements. In addition technical terms are linked to their definitions and the menu has links come related posts that room a an excellent aid in one"s studies.

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Strontium Menu

Strontium web page OneOverview that StrontiumStrontium"s name in other LanguagesAtomic structure of StrontiumChemical nature of StrontiumPhysical nature of StrontiumRegulatory / HealthWho/When/Where/HowStrontium page TwoNuclides / IsotopesPotential parent NuclidesStrontium web page ThreeCommon chemistry Compounds that Strontium

Overview of Strontium

Atomic Number: 38Group: 2Period: 5Series: Alkali planet Metals

Strontium"s surname in other Languages

Latin: StrontiumCzech: StronciumCroatian: StroncijFrench: StrontiumGerman: Strontium - sItalian: StronzioNorwegian: StrontiumPortuguese: EstrôncioRussian: СтронцийSpanish: EstroncioSwedish: StrontiumAtomic structure of StrontiumAtomic Radius: 2.45ÅAtomic Volume: 33.7cm3/molCovalent Radius: 1.91ÅCross Section (Thermal ghost Capture) σa/barns: 1.28Crystal Structure: Cubic challenge centered
Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6 5s2Electrons per energy Level: 2,8,18,8,2Shell Model
Ionic Radius:
1.12ÅFilling Orbital: 5s2Number of electrons (with no charge): 38Number of neutrons (most common/stable nuclide): 50Number the Protons: 38Oxidation States: 2Valence Electrons: 5s2Electron dot Model

Chemical nature of Strontium

Electrochemical Equivalent:
1.635g/amp-hrElectron work Function: 2.59eVElectronegativity: 0.95 (Pauling); 0.99 (Allrod Rochow)Heat that Fusion: 8.3kJ/molIncompatibilities:Ionization PotentialFirst: 5.695Second: 11.03Third: 43.6Valence Electron Potential (-eV): 25.7

Physical nature of Strontium

Atomic mass Average: 87.62Boiling Point: 1657K 1384°C 2523°FCoefficient of lineal thermal expansion/K-1: 23E-6ConductivityElectrical: 0.0762 106/cm ΩThermal: 0.353 W/cmKDensity: 2.54g/cc
300KDescription:Soft silvery yellow metal that will certainly burn if ignited in air.Elastic Modulus:Bulk: 12/GPaRigidity: 6.03/GPaYoungs: 15.7/GPaEnthalpy that Atomization: 163.2 kJ/mole
25°CEnthalpy the Fusion: 9.16 kJ/moleEnthalpy the Vaporization: 150 kJ/moleFlammablity Class:Freezing Point: see melt pointHardness ScaleMohs: 1.5Heat that Vaporization: 144kJ/molMelting Point: 1042K 769°C 1416°FMolar Volume: 33.7 cm3/molePhysical State (at 20°C & 1atm): SolidSpecific Heat: 0.3J/gKVapor Pressure = 246Pa

Regulatory / Health

CAS Number7440-24-6OSHA permit Exposure limit (PEL)No limits set by OSHAOSHA PEL Vacated 1989No limits set by OSHANIOSH encourage Exposure limit (REL)No limits set by NIOSH Levels In Humans:Note: this data represents naturally occuring level of elements in the usual human, the DOES NOT represent recommended everyday allowances.Blood/mg dm-3: 0.031Bone/p.p.m: 36-140Liver/p.p.m: 0.05-0.36Muscle/p.p.m: 0.12-0.35Daily diet Intake: 0.8-5 mgTotal massive In Avg. 70kg human: 320 mgDiscovery Year: 1790Name Origin:From Strontian a tiny Scottish town.Abundance of Strontium:Earth"s Crust/p.p.m.: 370Seawater/p.p.m.: Atlantic Suface: 7.6Atlantic Deep: 7.7Pacific Surface: 7.6Pacific Deep: 7.7Atmosphere/p.p.m.: N/ASun (Relative to H=1E12): 790Sources the Strontium:Found in mineral celestite and strontianite. Yearly world large production is approximately 137,000 tons. Primary mining areas are UK, Tunisia, Russia, Germany, Mexico and USA.Uses that Strontium:Used in flares and also fireworks for crimson color. Likewise used in nuclear batteries in buoys and phosphorescent paint.Additional Notes:A. Crawford very first recognized strontium as an facet in 1790, yet it wasn"t isolated till 1808 by sir Humphry Davy in London England.

Strontium Menu

Strontium page OneOverview the StrontiumStrontium"s name in various other LanguagesAtomic framework of StrontiumChemical nature of StrontiumPhysical properties of StrontiumRegulatory / HealthWho/When/Where/HowStrontium web page TwoNuclides / IsotopesPotential parent NuclidesStrontium page ThreeCommon chemistry Compounds the Strontium


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