Element gold - Au

Comprehensive data on the chemical facet Gold is noted on this page; including scores the properties, facet names in many languages, most well-known nuclides that Gold. Common chemical compounds space also noted for countless elements. In addition technical terms are linked to your definitions and also the menu has links to related short articles that room a great aid in one"s studies.

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Gold Menu

Gold web page OneOverview of GoldGold"s surname in other LanguagesAtomic framework of GoldChemical properties of GoldPhysical properties of GoldRegulatory / HealthWho/When/Where/HowGold web page TwoNuclides / IsotopesPotential parent Nuclides

Overview the Gold

Atomic Number: 79Group: 11Period: 6Series: transition Metals

Gold"s surname in various other Languages

Latin: AurumCzech: ZlatoCroatian: ZlatoFrench: OrGerman: yellow - sItalian: OroNorwegian: GullPortuguese: OuroRussian: ЗолотоSpanish: OroSwedish: GuldAtomic structure of GoldAtomic Radius: 1.79ÅAtomic Volume: 10.2cm3/molCovalent Radius: 1.34ÅCross Section (Thermal neutron Capture)σa/barns: 98.7Crystal Structure: Cubic face centered
Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6d10f14 5s2p6d10 6s1Electrons per power Level: 2,8,18,32,18,1Shell Model
Ionic Radius:
0.85ÅFilling Orbital: 5d10Number of electrons (with no charge): 79Number of neutrons (most common/stable nuclide): 118Number that Protons: 79Oxidation States: 3,1Valence Electrons: 5d10 6s1

Chemical properties of Gold

Electrochemical Equivalent: 2.4496g/amp-hrElectron job-related Function: 5.1eVElectronegativity: 2.54 (Pauling); 1.42 (Allrod Rochow)Heat the Fusion: 12.55kJ/molIncompatibilities:Ionization PotentialFirst: 9.225Second: 20.521Valence Electron Potential (-eV): 51

Physical properties of Gold

Atomic mass Average: 196.9665Boiling Point: 3080K 2807°C 5085°FCoefficient that lineal thermal expansion/K-1: 14.16E-6ConductivityElectrical: 0.452 106/cm ΩThermal: 3.17 W/cmKDensity: 19.32g/cc
300KDescription:Soft shining yellow shift metal.Elastic Modulus:Bulk: 171/GPaRigidity: 26/GPaYoungs: 78.5/GPaEnthalpy of Atomization: 364 kJ/mole
25°CEnthalpy that Fusion: 12.55 kJ/moleEnthalpy the Vaporization: 324.4 kJ/moleFlammablity Class:Freezing Point: see melt pointHardness ScaleBrinell: 2450 MN m-2Mohs: 2.5Vickers: 216 MN m-2Heat of Vaporization: 334.4kJ/molMelting Point: 1337.73K 1064.58°C 1948.24°FMolar Volume: 10.2 cm3/moleOptical Reflectivity: 95%Physical State (at 20°C & 1atm): SolidSpecific Heat: 0.128J/gKVapor Pressure = 0.000237Pa

Regulatory / Health

CAS Number7440-57-5OSHA permit Exposure border (PEL)No limits collection by OSHAOSHA PEL Vacated 1989No limits collection by OSHANIOSH encourage Exposure limit (REL)No limits set by NIOSH Levels In Humans:Note: this data represents normally occuring levels of aspects in the usual human, the DOES NOT represent recommended day-to-day allowances.Blood/mg dm-3: (0.1-4.2)E-4Bone/p.p.m: 0.016Liver/p.p.m: 0.0004Muscle/p.p.m: n/aDaily dietary Intake: n/aTotal massive In Avg. 70kg human: 0.2 mgDiscovery Year: UnknownName Origin:Gold native old English indigenous geolo (yellow) Au indigenous Latin: aurum (gold).Abundance the Gold:Earth"s Crust/p.p.m.: 0.0011Seawater/p.p.m.: 0.00001Atmosphere/p.p.m.: N/ASun (Relative to H=1E12): 5.6Sources of Gold:Found in quartz veins in in extrusive rocks, with copper ore and native metals. About 1,400 tons are developed each year people wide. Major mining areas are southern Africa, USA, Canada and also Russia.Uses that Gold:Very malleable. Provided in electronics, jewelry dental crowns and also coins. Supposedly around fifty percent of the world"s it is provided of yellow is save on computer in the United states Treasury Department"s gold depository in ft Knox Kentucky, i beg your pardon is taken into consideration to be one of the many secure structures in the world.Additional Notes:Gold is poorly soaked up by the body. Gold-based anti-arthritics can reason liver and/or kidney damage.

Gold Menu

Gold web page OneOverview the GoldGold"s surname in various other LanguagesAtomic structure of GoldChemical nature of GoldPhysical properties of GoldRegulatory / HealthWho/When/Where/HowGold web page TwoNuclides / IsotopesPotential parent Nuclides


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