atomic structure of scandium
The Swedish island of Resarö, near Stockholm, became a hotbed of elemental discovery in the late eighteenth, and early nineteenth, centuries. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. The chemical symbol for Lutetium is Lu. It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity, behind only oxygen and fluorine. Scandium triflate is sometimes used as a Lewis acid catalyst in organic chemistry. The chemical symbol for Cerium is Ce. It is the first of the transition metals, and its discovery is entwined with that of vertical neighbours yttrium and lanthanum. The chemical symbol for Arsenic is As. Scandum oxide (Sc2O3) is used in the manufacture of high-intensity electric lamps. The chemical symbol for Germanium is Ge. The chemical symbol for Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. Atomic weight of Scandium is 44.955908 u or g/mol. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins. The atomic number of scandium (Sc) is 21. Neon is a chemical element with atomic number 10 which means there are 10 protons and 10 electrons in the atomic structure. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. Thus, the common elements in the range of scandium are atomic numbers 18 , 20 , 22 , and 24 ; with elements with odd atomic numbers 19 , 21 (scandium), and 23 being rarely produced, and thus much less common. is a rare earth element with a metallic silver luster. The chemical symbol for Selenium is Se. Zirconium is a lustrous, grey-white, strong transition metal that resembles hafnium and, to a lesser extent, titanium. It occurs on Earth as the decay product of various heavier elements. The chemical symbol for Copper is Cu. The chemical symbol for Palladium is Pd. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. Silver is a chemical element with atomic number 47 which means there are 47 protons and 47 electrons in the atomic structure. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Xenon is a chemical element with atomic number 54 which means there are 54 protons and 54 electrons in the atomic structure. The chemical symbol for Erbium is Er. The chemical symbol for Antimony is Sb. Tellurium is chemically related to selenium and sulfur.  About 80 kg of scandium is used in metal-halide lamps/light bulbs globally per year. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. Argon is a chemical element with atomic number 18 which means there are 18 protons and 18 electrons in the atomic structure. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. One example is the chlorine-bridged dimer, [ScCp2Cl]2 and related derivatives of pentamethylcyclopentadienyl ligands. Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning. 3d 1 . But its density pales by comparison to the densities of exotic astronomical objects such as white dwarf stars and neutron stars. Scandium - Atomic Radius - Sc. and Gay-Lussac, L.-J. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities. Scandium. Transition Metals-Copper. If you continue to use this site we will assume that you are happy with it. The chemical symbol for Boron is B. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. First Energy Level: 2. In all four halides, the scandium is 6-coordinated. Holmium is a relatively soft and malleable silvery-white metal. Astatine is the rarest naturally occurring element on the Earth’s crust. Scandium in the environment. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal.  He named the element scandium, from the Latin Scandia meaning "Scandinavia". Up to this point, you have been using a system of 2-8-8 to describe electron shells. Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 electrons in the atomic structure. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine.  Lacrosse sticks are also made with scandium. The chemical symbol for Xenon is Xe. The commercial use of beryllium requires the use of appropriate dust control equipment and industrial controls at all times because of the toxicity of inhaled beryllium-containing dusts that can cause a chronic life-threatening allergic disease in some people called berylliosis. The chemical symbol for Sulfur is S. Sulfur is abundant, multivalent, and nonmetallic. Einsteinium is the seventh transuranic element, and an actinide. The chemical symbol for Nobelium is No. With a cost of $270 per gram ($122,500 per pound), scandium is too expensive for widespread use. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. Burrell, A. Willey Lower "Aluminum scandium alloy", "Atomic weights of the elements 2013 (IUPAC Technical Report)", IUPAC Recommendations, NOMENCLATURE OF INORGANIC CHEMISTRY, "The NUBASE Evaluation of Nuclear and Decay Properties", "Stellar Evolution, Nuclear Astrophysics, and Nucleogenesis", "Establishment of Scandium Recovery Operations", "Commercial Scandium Oxide Production by Sumitomo Metal Mining Co. Ltd", "NioCorp Announces Final Closing of Non-Brokered Private Placement for Aggregate Gross Proceeds of C$1.77 Million", "Long-discussed niobium mine in southeast Nebraska is ready to move forward, if it gathers $1 billion in financing ", "Mineral Commodity Summaries 2015: Scandium", "Hydrothermal Preparation of α-ScOOH and of γ-ScOOH. The chemical symbol for Thulium is Tm. Sodium is a soft, silvery-white, highly reactive metal. Only about 5×10−8% of all matter in the universe is europium. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. The atomic structure of the scandium (0001) surface has been determined through a lowenergy-electron-diffraction analysis. Nilson prepared 2 grams of scandium oxide of high purity. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. A crystal lattice is a repeating pattern of mathematical points that extends throughout space. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Iridium is a very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second densest element (after osmium). Germanium is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. Tin is a post-transition metal in group 14 of the periodic table. The chemical symbol for Polonium is Po. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. The chemical symbol for Beryllium is Be. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. The halides are Lewis acids; for example, ScF3 dissolves in a solution containing excess fluoride ion to form [ScF6]3−. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Naturally occurring scandium (21 Sc) is composed of one stable isotope, 45 Sc. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Nilson was apparently unaware of Mendeleev's prediction, but Per Teodor Cleve recognized the correspondence and notified Mendeleev. 21 electrons (white) bind to the nucleus, successively occupying available electron shells (rings). Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atom—the Na+ cation. Chromium is a steely-grey, lustrous, hard and brittle metal4 which takes a high polish, resists tarnishing, and has a high melting point. It is the fourth most common element in the Earth’s crust. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. Atomic Mass of Scandium Atomic mass of Scandium is 44.9559 u. They were used in Russian military aircraft, specifically the Mikoyan-Gurevich MiG-21 and MiG-29. The chemical symbol for Niobium is Nb. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. References. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Extra Things ~ It is found in Earths crust ~ Scandium is known as a solid ~ Scandium is the fiftieth most abundant element on Earth. The chemical symbol for Lawrencium is Lr. The chemical symbol for Holmium is Ho. Lead is a heavy metal that is denser than most common materials. Scandium atoms have 21 electrons and …  The first pound of 99% pure scandium metal was produced in 1960. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. The coordination number 6 is typical for Sc(III). Neodymium is a soft silvery metal that tarnishes in air. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Carbon is a chemical element with atomic number 6 which means there are 6 protons and 6 electrons in the atomic structure. The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. It is occasionally found in native form as elemental crystals. Osmium is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. Discoverer: Davy, Sir H. and Thénard, L.-J. Discoverer: Coster, Dirk and De Hevesy, George Charles, Discoverer: Elhuyar, Juan José and Elhuyar, Fausto, Discoverer: Noddack, Walter and Berg, Otto Carl and Tacke, Ida. More Facts ~The word scandium comes from the Latin word for Scandinavia:Scandia. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. Despite this low level of use, scandium offers significant benefits. There are 14 general types of such patterns known as Bravais lattices. Scandium (Sc). The chemical symbol for Tellurium is Te. These condensers use tubes that are usually made of stainless steel, copper alloys, or titanium depending on several selection criteria (such as thermal conductivity or corrosion resistance). Nickel is a silvery-white lustrous metal with a slight golden tinge. It is a noble metal and a member of the platinum group. Palladium, platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs). Titanium is a lustrous transition metal with a silver color, low density, and high strength.  The median lethal dose (LD50) levels for scandium chloride for rats have been determined as 755 mg/kg for intraperitoneal and 4 g/kg for oral administration. 2H2O has a very high scandium content but is not available in any larger deposits.. World production amount to only 50 kg per year. The chemical symbol for Californium is Cf. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Scandium Page Two. Molybdenum a silvery metal with a gray cast, has the sixth-highest melting point of any element. It has the atomic symbol Sc, atomic number 21, and atomic weight 45. Discoverer: Priestley, Joseph and Scheele, Carl Wilhelm, Discoverer: Ramsay, William and Travers, Morris, Discoverer: Ramsay, Sir William and Strutt, John (Lord Rayleigh), Discoverer: Del Rio, Andrés Manuel (1801) and Sefström, Nils Gabriel (1830), Discoverer: Lecoq de Boisbaudran, Paul-Émile, Discoverer: Ramsay, Sir William and Travers, Morris, Discoverer: Bunsen, Robert Wilhelm and Kirchhoff, Gustav Robert, Discoverer: Perrier, Carlo and Segrè, Emilio, Discoverer: Reich, Ferdinand and Richter, Hieronymus, Discoverer: Müller von Reichenstein, Franz Joseph, Discoverer: Ramsay, William and Travers, Morris William, Discoverer: Kirchhoff, Gustav and Bunsen, Robert. Elemental sulfur is a bright yellow crystalline solid at room temperature. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 electrons in the atomic structure. Europium is one of the least abundant elements in the universe. 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