Element Iodine - I

Comprehensive data ~ above the chemical facet Iodine is listed on this page; including scores the properties, element names in many languages, most well-known nuclides the Iodine. Typical chemical compounds room also noted for numerous elements. In addition technical state are connected to their definitions and the menu has links to related short articles that are a good aid in one"s studies.

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Iodine Menu

Iodine web page OneOverview of IodineIodine"s surname in various other LanguagesAtomic structure of IodineChemical properties of IodinePhysical nature of IodineRegulatory / HealthWho/When/Where/HowIodine page TwoNuclides / IsotopesPotential parental NuclidesIodine web page ThreeCommon chemical Compounds the Iodine

Overview that Iodine

Atomic Number: 53Group: 17Period: 5Series: Halogens

Iodine"s name in other Languages

Latin: IodumCzech: JodCroatian: JodFrench: IodeGerman: Jod - rItalian: IodioNorwegian: JodPortuguese: IôdoRussian: ИодSpanish: YodoSwedish: JodAtomic structure of IodineAtomic Radius: 1.32ÅAtomic Volume: 25.74cm3/molCovalent Radius: 1.33ÅCross Section (Thermal ghost Capture) σa/barns: 6.2Crystal Structure: Orthorhombic
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Electron Configuration:1s2 2s2p6 3s2p6d10 4s2p6d10 5s2p5Electrons per energy Level: 2,8,18,18,7Shell Model
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Ionic Radius:
2.2ÅFilling Orbital: 5p5Number of electrons (with no charge): 53Number of neutron (most common/stable nuclide): 74Number the Protons: 53Oxidation States: ±1,5,7Valence Electrons: 5s2p5Electron period Model
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Chemical nature of Iodine

Electrochemical Equivalent:
4.7348g/amp-hrElectron work-related Function:Electronegativity: 2.66 (Pauling); 2.21 (Allrod Rochow)Heat the Fusion: 7.824kJ/molIncompatibilities:Ammonia, acetylene, acetaldehyde, powdered aluminum, energetic metals, liquid chlorineIonization PotentialFirst: 10.451Second: 19.131Third: 33Valence Electron Potential (-eV): -6.55

Physical properties of Iodine

Atomic massive Average: 126.9045Boiling Point: 458.55K 185.4°C 365.7°FCoefficient that lineal thermal expansion/K-1: N/AConductivityElectrical: 8.0E-16 106/cm ΩThermal: 0.00449 W/cmkDensity: 4.93g/cc
300KDescription: Halogen solid form: shiny, non-metallic, grayish-black flakes; gas: violet.Elastic Modulus:Bulk: 7.7/GPaEnthalpy that Atomization: 106.7 kJ/mole
25°CEnthalpy that Fusion: 7.76 kJ/moleEnthalpy of Vaporization: 20.88 kJ/moleFlammablity Class: Non-combustible solidFreezing Point: see melting pointHeat that Vaporization: 20.752kJ/molMelting Point: 386.65K 113.5°C 236.3°FMolar Volume: 25.74 cm3/molePhysical State (at 20°C & 1atm): SolidSpecific Heat: 0.214J/gK

Regulatory / Health

CAS Number7553-56-2RTECS: NN1575000OSHA permit Exposure border (PEL)1 ppm = 10.38mg/m3
25°C & 1 atmCeiling: 0.1 ppmOSHA PEL Vacated 1989Ceiling: 0.1 ppmNIOSH recommended Exposure border (REL)Ceiling: 0.1 ppmIDLH: 2 ppm Routes of Exposure: Inhalation; Ingestion; Skin and/or eye contactTarget Organs: Eyes, skin, respiratory system, central nervous system, cardiovascular systemLevels In Humans:Note: this data represents normally occuring level of facets in the usual human, it DOES NOT stand for recommended daily allowances.Blood/mg dm-3: 0.057Bone/p.p.m: 0.27Liver/p.p.m: 0.7Muscle/p.p.m: 0.05-0.5Daily dietary Intake: 0.1-0.2 mgTotal fixed In Avg. 70kg human: 12-20 mg

Who / wherein / when / How

Discoverer: bernard CourtoisDiscovery Location: Dijon FranceDiscovery Year: 1811Name Origin: Greek: iôdes (violet).Abundance of Iodine:Earth"s Crust/p.p.m.: 0.14Seawater/p.p.m.: Atlantic Suface: 0.0489Atlantic Deep: 0.056Pacific Surface: 0.043Pacific Deep: 0.058Atmosphere/p.p.m.: N/ASun (Relative come H=1E12): N/ASources of Iodine:Occurs on land and in the sea in sodium and also potassium compounds. World production of iodine is about 12,000 tons. Primary producing areas are Chile and also Japan.Uses of Iodine:Required in little amounts by humans. Once used as an antiseptic, however no longer because of its gift nature. Supplied as a disinfectant, in pharmaceuticals, dyes, catalysts and also photography.Additional Notes:

Iodine Menu

Iodine web page OneOverview of IodineIodine"s name in various other LanguagesAtomic structure of IodineChemical nature of IodinePhysical properties of IodineRegulatory / HealthWho/When/Where/HowIodine web page TwoNuclides / IsotopesPotential parental NuclidesIodine web page ThreeCommon chemical Compounds the Iodine

References

A perform of reference sources provided to translate in the data listed on our periodic table of elements can be discovered on the main periodic table page.

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