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<h1><span class="field field--name-title field--type-string field--label-hidden">Properties of cobalt. The Speed of Sound of Co is 4720 m/s.</span></h1>
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<p><span><span><span>Properties of cobalt Explore the multifaceted world of cobalt, a transition metal with a rich history and wide-ranging applications. the GGA value, indicating a better description of the cobalt localized d states. Apr 14, 2025 · Cobalt-59 is the naturally occurring stable form of cobalt. 9332, physical & chemical properties, isotopes, electron configuration, crystal structure, abundance, and health & safety guidelines. Cobalt occurs in compounds with arsenic and sulfur as in cobaltine (CoAsS) and linneite (Co3S4). It has a melting point of 1495 °C (2723 °F) and a boiling point of 2927 °C (5301 °F). Cobalt-60 is used in cancer therapy. It is produced artificially in nuclear reactors. Cobalt has an atomic number of 27 and is a lustrous silvery-blue metal. Like iron, it can be magnetized. Pure cobalt is obtained as a by-product of refining nickel, copper and iron. The transformation is sluggish and accounts in part for the wide variation in reported data on physical properties of cobalt. The Boiling point of cobalt is 5,301 F (2,927 o C). I. The Young Modulus of Cobalt (Co) is 209 GPa. It is a hard, ferromagnetic, brittle element. Density of solid: 8900 kg m ‑3; Molar volume: 6. Cobalt coordination complexes exhibit interesting redox and magnetic properties that make them suitable for a remarkable breadth of applications in biology and medicine. Cobalt-chrome or cobalt-chromium (CoCr) is a metal alloy of cobalt and chromium. Jun 6, 2024 · Physical Properties of Cobalt: A Comprehensive Overview 06 Jun 2024 Tags: Metal Cobalt Physical Properties of Cobalt: A Comprehensive Overview. Non-stoichiometric terminations of the low index (011) and (111) surfaces Sep 15, 2024 · This article aimed to study the structural and optical properties of cobalt oxide (Co 3 O 4) nanoparticles made using the co-precipitation method. 5, making it durable and resistant to wear and abrasion. 27 years. It stimulates the production of red blood cells and is widely used to treat anemia. units at 20°C; Metallic cobalt occurs in two structures; face-centred cubic (fcc) and hexagonal close packing (hcp). Cobalt was discovered by Swedish chemist Georg Brandt in 1735. Apr 30, 2023 · Physical Properties of Cobalt. These compounds include cobaltous oxide: CoO and tricobalt tetroxide: Co 3 O 4. The Speed of Sound of Co is 4720 m/s. The report suggests an increase in optical and magnetic properties with cobalt doping concertation. Cobalt - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of Notes on the properties of Cobalt: Specific Heat: Value given for solid phase. Learn about Cobalt - Atomic Number 27, atomic mass 58. May 23, 2023 · Cobalt Electronic Configuration. These days cobalt alloys are used less as they are heavy. Modulus of Elasticity of Cobalt. Chromium improves strength and corrosion resistance, while tungsten and molybdenum enhance the alloy’s strength and high-temperature performance. 93 g/mol. It is commonly used in applications where hardness and Cobalt Compounds Oxides & Hydroxides. Isotones and Isobars The following table shows the atomic nuclei that are isotonic (same neutron number N = 33) and isobaric (same nucleon number A = 60) with Cobalt-60. Additional Notes: Cobalt Menu. Cobalt is used in making powerful magnets and magnetic recording media. The saturation magnetization, coercivity, and other characteristics can be estimated as a result of the VSM that was performed in order to evaluate the magnetic properties of the cobalt ferrite. Cobalt-60 is a radioactive isotope of cobalt with a half-life of 5. It is recognized as a ferromagnetic element. 1016/0079-6425(79)90004-5 Get rights and content Properties of Cobalt-60. Cobalt-59 is the only stable isotope of cobalt which is naturally found on earth. In 2010, German scientists used a cobalt atom to capture the first pictures of spin changing [3]. Dec 16, 2024 · The history of cobalt(II) chloride is rich and intriguing. Cobalt has been used in many industrial, commercial, and military applications. Ultimate tensile strength of Cobalt is 800 MPa. It belongs to group 9, periodic number 4 of the periodic table. 2714 years. We find d-type MLWFs on the cobalt ions, as well as Wannier functions with the character of sp3d bonds between cobalt and oxygen ions. Deliberate industrial production depends on neutron activation of bulk samples of the monoisotopic and mononuclidic cobalt isotope 59 Cobalt is very useful in the creation of magnetic and heat-resistant alloys because of its physical properties, which are comparable to those of iron and nickel. A relatively large percentage of the world’s production goes into magnetic alloys such as the Alnicos for permanent magnets. Cobalt is silver-white in color with a bluish tinge. Beyond its industrial uses, cobalt plays a crucial role in biological processes, supporting the proper functioning of the nervous system and DNA production in many living organisms Jan 1, 2024 · To study the magnetic properties of cobalt ferrite or any other nanomaterial, we can also use vibrating sample microscopy. It may also enter into another environment through wind-blown dust or by rainwater washing down cobalt containing soil and rock. 31. Chemical Properties Nov 21, 2023 · Facts & Properties of Cobalt. Globally, the most important Co ore deposits occur in the Katangan Copperbelt (Democratic Republic of Congo) where Ultimate Tensile Strength of Cobalt. Mechanical Properties; Cobalt has a Brinell of 700 MPa, Mohs hardness of 5 MPa, and Vickers of 1043 MPa. It occurs abundantly in Earth’s crust, but mostly in a compound form. The electronic configuration of cobalt (Co) is [Ar] \(3d^7 4s^2\)’. What is Cobalt? The element Cobalt belongs to the group VIII of the periodic table. Since cobalt is generally produced as a by-product, the supply of cobalt depends to a great extent on the economic feasibility of copper and nickel Cobalt can retain its magnetic properties up to a temperature (Curie Point) of 1,121 °C (2049. Recently, due to excellent resistant properties, biocompatibility, Cobalt. The metal is used especially for heat-resistant and magnetic alloys. Cobalt is widely used in batteries and in electroplating. Properties of Cobalt-60 Mar 1, 2012 · DFT calculations of the structural and electronic properties of bulk Co 2 C and the stability of low index Co 2 C surfaces. 9 (20°C), with a valence of 2 or 3. Feb 4, 2023 · According to the UV–VIS results, cobalt doping results in a red shift and a reduction in the band gap value. Understanding the chemical properties of cobalt(II) oxide helps in grasping its applications and behavior in different environments. +3 Electronegativity 1. Cobalt is a hard, brittle metal. Cobalt exists in either the +2 or +3 oxidation states in tricobalt tetroxide. Cobalt-60 (60 Co) is a synthetic radioactive isotope of cobalt with a half-life of 5. Cobalt is essential to many living creatures and is a component of vitamin B 12. In bulk spinel, cations have usually a preference for a particular site. This process is crucial for meeting the global demand for cobalt, used in numerous applications due to its unique properties. Jan 1, 1980 · https://doi. It is a transition metal that is known for its unique properties, which include: Hardness: Cobalt is a hard metal with a Mohs hardness of 5. Cobalt is also used in corrosion and abrasion-resistant steel alloys, especially for very hard applications, as well as in paints and dyes. discovered a new phase in the Co–Al–W Jun 1, 2023 · In this study, the microstructure and mechanical properties of cobalt-based superalloys by internal nitridation at 1100 °C, 1150 °C, and 1200 °C were characterised in detail by transmission electron microscope (TEM), electron probe microanalysis (EPMA), electron backscatter diffraction (EBSD) and microhardness testing. These qualities make it unsubstitutable in a number of key sustainable and strategic applications in the realm of cobalt chemistry. Yield Strength of Cobalt. Cobalt, a lustrous, silver-white metal, is known for its unique physical properties that make it an essential component in various industrial applications. Cobalt is primarily used in lithium-ion batteries, and in the manufacture of magnetic, wear-resistant and high-strength alloys. Cobalt(II) chloride was first synthesized in the 19th century. 8 °F), the highest of all the ferromagnetic elements [3, 4]. However cobalt does not react with water that is at room temperature. Cobalt(II) oxide has a molecular weight of 74. In cobalt ferrite with only Co 2+, cobalt ions show a strong preference for octahedral sites [32]. Overview of Cobalt; Cobalt's Name in Other Languages; Atomic Structure of Cobalt; Chemical Properties of Cobalt; Physical Properties of Cobalt; Regulatory / Health; Who/When/Where/How Jan 5, 2025 · Cobalt (Co)-based superalloys have been documented to possess excellent high-temperature mechanical properties, rendering them important materials for high-temperature applications like aero-engine and gas turbine blades [1], [2]. These properties enable cobalt to perform reliably in processes requiring durability, chemical stability, and reactivity. Its atomic number is 27. The room temperature magnetic behaviours also improved with doping of Cobalt. Explore detailed information on Cobalt (Co) element properties, facts, uses, history and periodic table trends. Cobalt is somewhat of a reactive element. The Young’s modulus of elasticity of Cobalt is 220 MPa. The most common isotope of cobalt is Co-59 (100 percent natural Nov 23, 2024 · Chemical Properties . Cobalt has unique chemical properties that make it highly versatile for industrial and technological uses. org/10. 8 (Pauling original) 1. Its discovery and subsequent uses have shaped various scientific fields. Cobalt-60 is also used to irradiate the food in order to extent its shelf life. Jul 12, 2013 · Chemical Properties Physical Properties Mechanical Properties Thermal Properties Applications. Because of its impressive properties cobalt is an important component in wear resistant and corrosive resistant alloys. Cobalt is a chemical element with Co as its symbol. It is a member of group VIII of the periodic table. Aug 17, 2021 · Properties . Of the 9 major radioactive isotopes, only Co-57 and Co-60 have half-lives longer than 80 days. Yield strength of Cobalt is 220 MPa. Co 2 C is metastable in Fischer–Tropsch synthesis. Price of Cobalt The physical properties of cobalt resulted in its use in a cobalt-chromium-molybdenum alloy (Vitallium, 1937) that is strong, has a good corrosion resistance and is tolerated by the body. Cobalt-60 is formed by neutron activation in nuclear reactors and particle accelerators. Properties of Cobalt-60 Physical properties of cobalt. 9 grams per cubic centimeter. Nov 21, 2024 · Chemical Properties and Uses of Cobalt Chemical Properties of Cobalt. Properties of the nuclide / isotope Cobalt-60. Jan 16, 2025 · Cobalt alloys typically consist of a base composition of cobalt and chromium, with additional elements such as tungsten, molybdenum, nickel, and carbon to enhance their properties. There are 22 radioisotopes of cobalt which has been characterized till now. 84 (Allen) 3. It is a radioactive isotope of Cobalt commonly used in industries and medicines. Non-stoichiometric terminations of the low index (011) and (111) surfaces . 898(5) kJ mol -1 Apr 23, 2023 · Cobalt Properties. Cobalt is a brittle, hard metal, resembling iron and nickel in appearance. Cobalt is a chemical element with the symbol (Co) and atomic number 27. It is produced in nuclear reactors and is used in radiation therapy and industrial radiography. Nov 15, 2018 · Cobalt is an essential metal that is found in very low abundance in the body and the environment. This means that cobalt has a total of 27 electrons, with the first 18 electrons filling the inner shells \(1s^2 2s^2 2p^6 3s^2 3p^6\), followed by seven electrons in the d orbital of the third energy level \(3d^7\), and finally, two electrons in the fourth energy level s orbital \(4s^2\). Jan 5, 2025 · Cobalt (Co)-based superalloys have been documented to possess excellent high-temperature mechanical properties, rendering them important materials for high-temperature applications like aero-engine and gas turbine blades [1], [2]. Cobalt Page One. The name "cobalt" comes from the German word "kobalt" or "kobold," meaning goblin. [ 3 ] [ 4 ] : 39 It is produced artificially in nuclear reactors . Furthermore, the metal possess high melting and boiling points. Up to date, curated data provided by Mathematica 's ElementData function from Wolfram Research, Inc. Most cobalt isotopes have a half-life of less than 1 second and the most stable isotope of Cobalt is Cobalt 60 with a half-life of 5. Such hybridized Nov 1, 2014 · The physical properties of cobalt ferrite spinel are linked to the cation distribution over the tetrahedral sites A (8a) and octahedral sites B (16d) of the structure. Jan 21, 2025 · Production of Cobalt: Cobalt production is a sophisticated process that involves various stages, from mining cobalt-containing ores to refining them into high-purity cobalt metal and compounds. Hardness The physical properties of cobalt resulted in its use in a cobalt-chromium-molybdenum alloy (Vitallium, 1937) that is strong, has a good corrosion resistance and is tolerated by the body. Radioactive 60 Co is used in the treatment of cancer. Price of Cobalt An overview of the nuclides as well as the isotopic data and properties are listed on the following page: Cobalt isotopes. Properties. These are alloys that retain mechanical strength at high temperatures. The bulk modulus of elasticity of Cobalt is 180 GPa. This class of alloys is relatively new. The Shear Modulus of Element 27 is 75 GPa. Cobalt is necessary for human as it is a part of essential vitamin, B 12. Cobalt is a chemical element; Due to the ferromagnetic properties of cobalt, it is used in the production of various magnetic materials. This type of material is typically strengthened by carbide precipitation [3], [4]. It has a metallic permeability of about two thirds that of iron. Overview of Cobalt; Cobalt's Name in Other Languages; Atomic Structure of Cobalt; Chemical Properties of Cobalt; Physical Properties of Cobalt; Regulatory / Health; Who/When/Where/How Dec 18, 2024 · Chemical Properties of Cobalt(II) Oxide. 17 MeV. Cobalt is a chemical element with the symbol Co and atomic number 27. Young's modulus (GPa): Rigidity modulus (GPa): Bulk modulus (GPa): Poisson ratio: Mar 1, 2012 · DFT calculations of the structural and electronic properties of bulk Co 2 C and the stability of low index Co 2 C surfaces. It is similar to iron and nickel in its physical properties. 67 cm 3; Elastic properties The main ores of cobalt are cobaltite, erythrite, glaucodot and skutterudite (see above), but most cobalt is obtained by reducing the cobalt by-products of nickel and copper mining and smelting. The density of cobalt is 8. Density properties. Cobalt is a hard ferromagnetic, silver-white, hard, lustrous, brittle element. Jul 1, 2016 · Cobalt is economically considered a critical metal for a variety of technologies. Introduction. Cobalt salts are used to impart blue and green colors in glass and ceramics. The structural, morphological, and optical properties of as synthesized product were studied using an X-ray diffractometer (XRD), scanning electron microscopy (SEM), and UV–vis absorption spectroscopy, respectively. The low index stoichiometric surfaces of Co 2 C have the decreased stability order of (101) > (011) > (010) > (110) > (100) > (001) = (111). [184] In particular, cobalt's very high melting point and mechanical strength at high temperatures has seen its extensive use in what is termed 'superalloys'. It is a hard, brittle, grayish metal that is often found in combination with other elements in minerals. Let's take a look at pure cobalt: The metal is a solid material and metallic gray in color. Cobalt-based Superalloys. Uses Of Cobalt. 88 (Pauling) 1. Cobalt has a melting point of 1495°C, boiling point of 2870°C, specific gravity of 8. CoO can react with acids to form cobalt salts. It exhibits antiferromagnetic properties. The Poisson Ratio of Cobalt is 0. 7305 eV (Gosh Gupta) 4. Feb 18, 2023 · The density of cobalt is 8900 in S. 2713 years. Cobalt has a melting point of 2,723 degrees Fahrenheit (1,495 degrees Celsius). The shear modulus of elasticity of Cobalt is 75 GPa. Cobalt is also used in samarium-cobalt permanent magnets. Cobalt has the ability to react with most acids to produce hydrogen gas. In 2006, Sato et al. Chemistry of Cobalt Oxidation states +2. It combines with oxygen in the air, but does not catch on fire and burn unless it is in powder form. Health effects. 662 26(5) eV 63. 3 eV (Pearson) Electron affinity 0. This strong ferromagnetic element is a member of the transition metals family in the periodic table. Cobalt is found in plants and animals, air, water, soil, rocks. Bonding properties are studied by means of maximally localized Wannier functions (MLWFs). Download periodic table flashcards printable or compare Cobalt with other elements on the Table 1, Physical and Chemical Properties of Cobalt Metal and Some Cobalt Compounds - 15th Report on Carcinogens Your browsing activity is empty. Reactivity and Oxidation States Apr 8, 2020 · Cobalt is a chemical element with an atomic number of 127 in the periodic table of elements. The element is active chemically, forming many compounds. Cobalt is used in many hard alloys; for magnets, ceramics and special glasses. The physico-chemical properties of cobalt allow for a hard wearing, wear-resistant metal with unique valency properties. Cobalt can generate two different binary compounds upon interaction with oxygen. The Bulk Modulus of Co is 180 GPa. Cobalt-60 is a gamma emitter with a photon energy of 1. May 26, 2025 · Cobalt, metallic chemical element, one of the transition elements, atomic number 27. Cobalt tends to exist as a mixture of two allotropes over a wide temperature range. When cobalt is alloyed with the other two ferromagnetic elements, iron and nickel, it forms alnico, an alloy of unusual and strong magnetic properties, often used in jet and gas turbine engines. Cobalt reacts over time with dilute acids and has remarkable magnetic properties. Oct 22, 1995 · Also used in permanent magnets, razor blades and catalitic converters. Activity recording is turned off. Dive into its physical and chemical properties, discover its role in various industries like battery production, aerospace, and healthcare, and learn about its biological importance as a trace element. 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