Element Krypton - Kr

Comprehensive data ~ above the chemical element Krypton is listed on this page; consisting of scores of properties, element names in plenty of languages, most recognized nuclides that Krypton. Common chemical compounds are also listed for many elements. In addition technical terms are linked to your definitions and the menu includes links come related short articles that room a great aid in one"s studies.

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Krypton Menu

Krypton page OneOverview of KryptonKrypton"s surname in various other LanguagesAtomic structure of KryptonChemical properties of KryptonPhysical properties of KryptonRegulatory / HealthWho/When/Where/HowKrypton page TwoNuclides / IsotopesPotential parent Nuclides

Overview of Krypton

Atomic Number: 36Group: 18Period: 4Series: Noble Gasses

Krypton"s surname in other Languages

Latin: KryptonCzech: KryptonCroatian: KriptonFrench: KryptonGerman: Krypton - rItalian: CriptoNorwegian: KryptonPortuguese: CriptônioRussian: КриптонSpanish: CriptónSwedish: KryptonAtomic framework of KryptonAtomic Radius: 1.03ÅAtomic Volume: 38.9cm3/molCovalent Radius: 1.12ÅCross Section (Thermal spirit Capture) σa/barns: 25Crystal Structure: Cubic confront centered
Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6Electrons per energy Level: 2,8,18,8Shell Model
Ionic Radius:
Filling Orbital: 4p6Number of electron (with no charge): 36Number of neutron (most common/stable nuclide): 48Number of Protons: 36Oxidation States: 0Valence Electrons: 4s2p6Electron period Model

Chemical nature of Krypton

Electrochemical Equivalent:
Electron job-related Function:Electronegativity: N/A (Pauling); 2.94 (Allrod Rochow)Heat that Fusion: 1.638kJ/molIncompatibilities:Ionization PotentialFirst: 13.999Second: 24.359Third: 36.95Valence Electron Potential (-eV):

Physical properties of Krypton

Atomic fixed Average: 83.8Boiling Point: 119.95K -153.2°C -243.8°FCoefficient that lineal heat expansion/K-1: N/AConductivityElectrical: Thermal: 0.0000949 W/cmKDensity: 3.75g/L
273K & 1atmDescription: Colorless, odorless, tasteless noble gas.Enthalpy of Fusion: 1.64 kJ/moleEnthalpy that Vaporization: 9.03 kJ/moleFlammablity Class:Freezing Point: see melt pointHeat that Vaporization: 9.029kJ/molMelting Point: 115.93K -157.22°C -251°FMolar Volume: 32.2 cm3/moleOptical Refractive Index: 1.000427Physical State (at 20°C & 1atm): GasSpecific Heat: 0.248J/gK

Regulatory / Health

CAS Number7439-90-9RTECS: OC6772500OSHA permissible Exposure limit (PEL)No limits collection by OSHAOSHA PEL Vacated 1989No limits collection by OSHANIOSH encourage Exposure border (REL)No limits collection by NIOSH Levels In Humans:Note: this data represents naturally occuring levels of aspects in the common human, it DOES NOT stand for recommended everyday allowances.Blood/mg dm-3: traceBone/p.p.m: nilLiver/p.p.m: nilMuscle/p.p.m: nilDaily diet Intake: n/aTotal massive In Avg. 70kg human: n/a

Who / whereby / once / How

Discoverer: sir William Ramsey, M.W. TraversDiscovery Location: London EnglandDiscovery Year: 1898Name Origin:Greek: kryptos (hidden).Abundance of Krypton:Earth"s Crust/p.p.m.: 0.00001Seawater/p.p.m.: 0.00008Atmosphere/p.p.m.: 1.14Sun (Relative to H=1E12): N/ASources that Krypton:Forms 1 millionth the the atmosphere. Acquired from production of fluid air. Roughly 8 tons of krypton is produced each year civilization wide.Uses that Krypton:Used in fluorescent bulbs, flashbulbs, UV lasers and also as a wavelength standard.Additional Notes:Although krypton is a unauthorized gas, it can asphyxiate if that excluded oxygen from the lungs.

Krypton Menu

Krypton web page OneOverview that KryptonKrypton"s name in other LanguagesAtomic structure of KryptonChemical nature of KryptonPhysical nature of KryptonRegulatory / HealthWho/When/Where/HowKrypton web page TwoNuclides / IsotopesPotential parental Nuclides


A list of reference sources provided to translate into the data noted on our regular table of aspects can be uncovered on the main periodic table page.

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