Element Strontium - Sr

Comprehensive data top top the chemical facet Strontium is detailed on this page; including scores of properties, aspect names in many languages, most recognized nuclides that Strontium. Common chemical compounds room also provided for many elements. In enhancement technical terms are linked to their definitions and also the menu has links come related posts that room a great aid in one"s studies.

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Strontium Menu

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

Overview of Strontium

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

Strontium"s name in various 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 spirit Capture) σa/barns: 1.28Crystal Structure: Cubic confront centered
Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6 5s2Electrons per power Level: 2,8,18,8,2Shell Model
Ionic Radius:
1.12ÅFilling Orbital: 5s2Number of electron (with no charge): 38Number of neutron (most common/stable nuclide): 50Number the Protons: 38Oxidation States: 2Valence Electrons: 5s2Electron dot Model

Chemical nature of Strontium

Electrochemical Equivalent:
1.635g/amp-hrElectron job-related 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 properties of Strontium

Atomic massive Average: 87.62Boiling Point: 1657K 1384°C 2523°FCoefficient the lineal heat expansion/K-1: 23E-6ConductivityElectrical: 0.0762 106/cm ΩThermal: 0.353 W/cmKDensity: 2.54g/cc
300KDescription:Soft silvery yellow steel that will burn if ignited in air.Elastic Modulus:Bulk: 12/GPaRigidity: 6.03/GPaYoungs: 15.7/GPaEnthalpy of Atomization: 163.2 kJ/mole
25°CEnthalpy the Fusion: 9.16 kJ/moleEnthalpy of Vaporization: 150 kJ/moleFlammablity Class:Freezing Point: see melting pointHardness ScaleMohs: 1.5Heat of 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 allow 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 naturally occuring level of aspects in the usual human, that DOES NOT represent recommended daily 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 dietary Intake: 0.8-5 mgTotal fixed In Avg. 70kg human: 320 mgDiscovery Year: 1790Name Origin:From Strontian a small Scottish town.Abundance that 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 come H=1E12): 790Sources the Strontium:Found in mineral celestite and also strontianite. Annual world large production is about 137,000 tons. Main mining locations are UK, Tunisia, Russia, Germany, Mexico and also USA.Uses that Strontium:Used in flares and also fireworks for crimson color. Additionally used in atom batteries in buoys and also phosphorescent paint.Additional Notes:A. Crawford an initial 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 that StrontiumStrontium"s name in various other LanguagesAtomic structure of StrontiumChemical nature of StrontiumPhysical properties of StrontiumRegulatory / HealthWho/When/Where/HowStrontium web page TwoNuclides / IsotopesPotential parent NuclidesStrontium web page ThreeCommon chemistry Compounds that Strontium


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

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