The chemical symbol for Californium is Cf. Astatine is the rarest naturally occurring element on the Earth’s crust. Titanium condenser tubes are usually the best technical choice, however titanium is very expensive material. Scandium chloride (ScCl 3) Scandium oxide (Sc 2 O 3) Scandium Triflate [Sc(OTf) 3] Interesting facts: It is sometimes regarded as one of the rare earth elements. Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. Al3Sc has an equilibrium L12 superlattice structure exclusive to this system[44]. 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. Thulium is an easily workable metal with a bright silvery-gray luster. Radon occurs naturally as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead. The chemical symbol for Argon is Ar. The absence of reliable, secure, stable, long-term production has limited the commercial applications of scandium. The bulk properties of astatine are not known with any certainty. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Holmium is a chemical element with atomic number 67 which means there are 67 protons and 67 electrons in the atomic structure. Scandium is usually found only in two different kinds of ores. The chemical symbol for Palladium is Pd. The halides are Lewis acids; for example, ScF3 dissolves in a solution containing excess fluoride ion to form [ScF6]3−. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. Zinc is a chemical element with atomic number 30 which means there are 30 protons and 30 electrons in the atomic structure. Magnesium is a chemical element with atomic number 12 which means there are 12 protons and 12 electrons in the atomic structure. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. The chemical symbol for Scandium is Sc . The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). The chemical symbol for Rhodium is Rh. Scandium, atomic number 21. The chemical symbol for Scandium is Sc. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. The chemical symbol for Mendelevium is Md. The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Bromine is the third-lightest halogen, and is a fuming red-brown liquid at room temperature that evaporates readily to form a similarly coloured gas. Strontium is a chemical element with atomic number 38 which means there are 38 protons and 38 electrons in the atomic structure. Our Website follows all legal requirements to protect your privacy. 21 electrons (white) bind to the nucleus, successively occupying available electron shells (rings). Carbon is the 15th most abundant element in the Earth’s crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. Atomic Number of Scandium Atomic Number of Scandium is 21. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. The chemical symbol for Ruthenium is Ru. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. More Facts ~The word scandium comes from the Latin word for Scandinavia:Scandia. The chemical symbol for Silver is Ag. The chemical symbol for Nobelium is No. [29][30][31][32], Dmitri Mendeleev, who is referred to as the father of the periodic table, predicted the existence of an element ekaboron, with an atomic mass between 40 and 48 in 1869. Bismuth is a chemical element with atomic number 83 which means there are 83 protons and 83 electrons in the atomic structure. [25] Solutions of Sc3+ in water are acidic due to hydrolysis. Tellurium is a brittle, mildly toxic, rare, silver-white metalloid. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. It is a noble metal and a member of the platinum group. Scandium atoms have 21 electrons and … 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 Vanadium is V. Vanadium is a hard, silvery grey, ductile, and malleable transition metal. Scandium (Sc). Berkelium is a member of the actinide and transuranium element series. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer (passivation) stabilizes the free metal somewhat against further oxidation. In part because of this similarity, scandium is often classified as a lanthanide-like element. Scandium is mined from one of the rare minerals from Scandinavia. Caesium has physical and chemical properties similar to those of rubidium and potassium. Uranium is a silvery-white metal in the actinide series of the periodic table. The chemical symbol for Tin is Sn. In the periodic table, potassium is one of the alkali metals. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 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. References. Selenium is a nonmetal with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. Vanadium is a chemical element with atomic number 23 which means there are 23 protons and 23 electrons in the atomic structure. Chlorine is a yellow-green gas at room temperature. A major development was the discovery that steel could be made highly resistant to corrosion and discoloration by adding metallic chromium to form stainless steel. The chemical symbol for Neptunium is Np. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. The forces of chemical bonding causes this repetition. Pure germanium is a semiconductor with an appearance similar to elemental silicon. The chemical symbol for Lawrencium is Lr. Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. A possible crystal structure of Scandium is hexagonal close-packed structure. The chemical symbol for Lithium is Li. Pure radium is silvery-white alkaline earth metal. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 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. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. ... Atomic Structure of Lithium ⊕ 67 (Atomic Struct..) ADD … The chemical symbol for Einsteinium is Es. Zirconium is widely used as a cladding for nuclear reactor fuels. The atomic mass of scandium is 44.9559 AMU (atomic mass unit) Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. The oxide Sc2O3 and the hydroxide Sc(OH)3 are amphoteric:[24]. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. The chemical symbol for Iridium is Ir. The chemical symbol for Manganese is Mn. Scandium triflate is sometimes used as a Lewis acid catalyst in organic chemistry. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Americium is a chemical element with atomic number 95 which means there are 95 protons and 95 electrons in the atomic structure. Promethium is one of only two such elements that are followed in the periodic table by elements with stable forms. The chemical symbol for Tantalum is Ta. Gold is a transition metal and a group 11 element. The production of the odd-numbered elements in this range result from much less common thermonuclear reactions, as is explained elsewhere. ... Scandium is the first element of the period table where electron configurations start getting a little wild. The chemical symbol for Berkelium is Bk. "Element 21" redirects here. The chemical symbol for Fermium is Fm. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. The chemical symbol for Beryllium is Be. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). Element 21 of Periodic table is Scandium with atomic number 21, atomic weight 44.95591. In all four halides, the scandium is 6-coordinated. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Scandium is an element with the atomic number 21 and represented with the symbol ‘ Sc ‘ in the periodic table. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. Being a typical member of the lanthanide series, europium usually assumes the oxidation state +3. Ruthenium is a rare transition metal belonging to the platinum group of the periodic table. Scandium atoms have 21 electrons and the shell structure is 2.8.9.2. The chemical symbol for Chlorine is Cl. Neptunium is the first transuranic element. The chemical symbol for Europium is Eu. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. Thorium is moderately hard, malleable, and has a high melting point. It readily forms hard, stable carbides in alloys, and for this reason most of world production of the element (about 80%) is used in steel alloys, including high-strength alloys and superalloys. [55] One type of metal-halide lamp, similar to the mercury-vapor lamp, is made from scandium triiodide and sodium iodide. Carbon is one of the few elements known since antiquity. The atomic structure of the scandium (0001) surface has been determined through a lowenergy-electron-diffraction analysis. The chemical symbol for Cerium is Ce. The chemical properties of this silvery gray, crystalline transition metal are intermediate between rhenium and manganese. Mercury is a chemical element with atomic number 80 which means there are 80 protons and 80 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. al. The nucleus consists of 21 protons (red) and 24 neutrons (orange). Cerium is the second element in the lanthanide series. Thorium is a naturally-occurring element and it is estimated to be about three times more abundant than uranium. 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. Scandum oxide (Sc2O3) is used in the manufacture of high-intensity electric lamps. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Scandium is Sc. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. Einsteinium is the seventh transuranic element, and an actinide. 2) You may not distribute or commercially exploit the content, especially on another website. [35][36], Metallic scandium was produced for the first time in 1937 by electrolysis of a eutectic mixture of potassium, lithium, and scandium chlorides, at 700–800 °C. With a cost of $270 per gram ($122,500 per pound), scandium is too expensive for widespread use. Scandium (Sc) Atomic Data for Scandium (Sc) Atomic Number = 21 Atomic Weight = 44.955910 Reference E95 : Isotope : Mass : Abundance : Spin : Mag Moment : 45 Sc: 44.955910: 100%: 7/2 +4.756: Sc I Ground State 1s 2 2s 2 2p 6 3s 2 3p 6 3d4s 2 2 D 3 / 2 … It is the fourth most common element in the Earth’s crust. Plutonium is a chemical element with atomic number 94 which means there are 94 protons and 94 electrons in the atomic structure. Scandium is a silvery-white metallic d-block element, it has historically been sometimes classified as a rare-earth element, together with yttrium and the lanthanides. [40][41], In early 2018, evidence was gathered from spectrometer data of significant scandium, vanadium and yttrium abundances in red giant stars in the Nuclear Star Cluster (NSC) in the Galactic Center. 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. Curium is a chemical element with atomic number 96 which means there are 96 protons and 96 electrons in the atomic structure. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. Neptunium metal is silvery and tarnishes when exposed to air. The metal is found in the Earth’s crust in the pure, free elemental form (“native silver”), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. The chemical symbol for Strontium is Sr. Strontium is an alkaline earth metal, strontium is a soft silver-white yellowish metallic element that is highly reactive chemically. Scandium forms a series of organometallic compounds with cyclopentadienyl ligands (Cp), similar to the behavior of the lanthanides. Francium is the second-least electronegative element, behind only caesium, and is the second rarest naturally occurring element (after astatine). Diagram of the nuclear composition and electron configuration of an atom of scandium-45 (atomic number: 21), the most common isotope of this element. The chemical symbol for Astatine is At. A fine dispersion of nano scale precipitate can be achieved via heat treatment that can also strengthen the alloys through order hardening[45]. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. 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 Polonium is Po. Copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. Only about 5×10−8% of all matter in the universe is europium. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Neodymium is a soft silvery metal that tarnishes in air. In fact their absorption cross-sections are the highest among all stable isotopes. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. It is 50th in order of abundance of the elements in the earth's crust. The chemical symbol for Arsenic is As. These have similar chemical properties, but palladium has the lowest melting point and is the least dense of them. A freshly exposed surface of pure copper has a reddish-orange color. It is fairly soft and slowly tarnishes in air. Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. 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. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. The chemical symbol for Zinc is Zn. Dysprosium is a chemical element with atomic number 66 which means there are 66 protons and 66 electrons in the atomic structure. [55] Scandium triflate is a catalytic Lewis acid used in organic chemistry.[57]. The chemical symbol for Americium is Am. The chemical symbol for Cadmium is Cd. Nobelium is a chemical element with atomic number 102 which means there are 102 protons and 102 electrons in the atomic structure. Tungsten is an intrinsically brittle and hard material, making it difficult to work. Uranium is weakly radioactive because all isotopes of uranium are unstable, with half-lives varying between 159,200 years and 4.5 billion years. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. [33][34] He named the element scandium, from the Latin Scandia meaning "Scandinavia". In nuclear industry, especially natural and artificial samarium 149 has an important impact on the operation of a nuclear reactor. The Cookies Statement is part of our Privacy Policy. Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Francium is a highly radioactive metal that decays into astatine, radium, and radon. Main purpose of this project is to help the public learn some interesting and important information about chemical elements, ionizing radiation, thermal engineering, reactor physics and nuclear energy. Scandium. Europium is one of the least abundant elements in the universe. The chemical symbol for Holmium is Ho. Scandium Atomic Structure - Sc. © 2019 periodic-table.org / see also Chemically, indium is similar to gallium and thallium. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. 113Cd has specific absorption cross-section. Scandium | Sc | CID 23952 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. The three most common basic crystal patterns are: This website was founded as a non-profit project, build entirely by a group of nuclear engineers. The chemical symbol for Antimony is Sb. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. [43] The Al3Sc precipitate is a coherent precipitate that strengthens the aluminum matrix by applying elastic strain fields that inhibit dislocation movement (i.e., plastic deformation). The chemical symbol for Iodine is I. Iodine is the heaviest of the stable halogens, it exists as a lustrous, purple-black metallic solid at standard conditions that sublimes readily to form a violet gas. The ground state electronic configuration of neutral scandium is [Ar].3d 1.4s 2 and the term symbol of scandium is 2 D 3/2.. Scandium: description Your user agent does not support the HTML5 Audio element. The chemical symbol for Dysprosium is Dy. The USGS reports that, from 2015 to 2019 in the US, the price of small quantities of scandium ingot has been $107 to $134 per gram, and that of scandium oxide $4 to $5 per gram.[23]. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. The coordination number 6 is typical for Sc(III). Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). Because of its high chemical reactivity, barium is never found in nature as a free element. The blue-black compound CsScCl3 is one of the simplest. It is this repeated pattern which control properties like strength, ductility, density, conductivity (property of conducting or transmitting heat, electricity, etc. Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name, kohl. It is the heaviest essential mineral nutrient. 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 Lutetium is Lu. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. Nickel belongs to the transition metals and is hard and ductile. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. 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Number 84 which means there are 34 protons and 23 electrons in the atomic.! Relatively soft and slowly tarnishes in air strong transition metal are intermediate between those of rubidium and.! Optical properties radium, and has a Simple Hexagonal structure and … atomic number which! Light metal that forms a dark oxide-nitride layer when exposed to air are 46 and... ) surface has been determined through a lowenergy-electron-diffraction analysis two such elements that are in!