![]() ![]() This database focuses on the most common chemical compounds used in the home and industry. Molar mass calculations are explained and there is a JavaScript calculator to aid calculations. Molar Mass Calculations and Javascript Calculator.Introduces stoichiometry and explains the differences between molarity, molality and normality. Related ResourcesĪnswers many questions regarding the structure of atoms. Common Chemical Compounds of Cobalt ReferencesĪ list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.Also used in permanent magnets, razor blades and catalitic converters. Uses of Cobalt: Used in many hard alloys for magnets, ceramics and special glasses.Primary mining areas are in Zaire, Morocco, Sweden and Canada. Annual world production is around 17,000 tons. Sources of Cobalt: Occurs in compounds with arsenic, oxygen and sulfur as in cobaltine (CoAsS) and linneite (Co 3S 4).Name Origin: German: kobalt or kobold (evil spirit) Greek: cobalos (mines).70kg human: 3 mg Who / Where / When / How Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances. Target Organs: Skin, respiratory system.Routes of Exposure: Inhalation Ingestion Skin and/or eye contact.Vapor Pressure = C Regulatory / Health.Flammablity Class: Non-combustible solid (except as dust).Enthalpy of Vaporization: 382.4 kJ/mole.Enthalpy of Atomization: 26.8 kJ/mole 25☌.Description: Tough silver-white transition metal. ![]() Conductivity Electrical: 0.172 10 6/cm Ω.Coefficient of lineal thermal expansion/K -1: 13.36E -6.Valence Electron Potential (-eV): 38.7 Physical Properties of Cobalt.Incompatibilities: Strong oxidizers, ammonium nitrate.Electronegativity: 1.88 (Pauling) 1.7 (Allrod Rochow).Electrochemical Equivalent: 1.0994g/amp-hr.Valence Electrons: 3d 7 4s 2 Chemical Properties of Cobalt.Number of Neutrons (most common/stable nuclide): 32.Number of Electrons (with no charge): 27.Electrons per Energy Level: 2,8,15,2 Shell Model.Electron Configuration: 1s 2 2s 2p 6 3s 2p 6d 7 4s 2.Cross Section (Thermal Neutron Capture)σ a/ barns : 37.2.Swedish: Kobolt Atomic Structure of Cobalt.Series: Transition Metals Cobalt's Name in Other Languages.Common Chemical Compounds of Cobalt Overview of Cobalt.In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies. Common chemical compounds are also provided for many elements. Skip to site menu on this page Periodic Table of Elements Element Cobalt - CoĬomprehensive data on the chemical element Cobalt is provided on this page including scores of properties, element names in many languages, most known nuclides of Cobalt. ![]()
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