The chemical symbol for Indium is In. 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. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. of 21. Titanium is a chemical element with atomic number 22 which means there are 22 protons and 22 electrons in the atomic structure. The chemical symbol for Bismuth is Bi. This material adopts a sheet-like structure that exhibits extensive bonding between the scandium(II) centers. Ruthenium is a rare transition metal belonging to the platinum group of the periodic table. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. These alloys contain between 0.1% and 0.5% of scandium. Discoverer: McMillan, Edwin M. and Abelson, Philip H. Discoverer: Glenn T. Seaborg, Joseph W. Kennedy, Edward M. McMillan, Arthur C. Wohl, Discoverer: Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso, Discoverer: Glenn T. Seaborg, Ralph A. James, Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Kenneth Street, Jr., Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Bernard G. Harvey, Gregory R. Choppin, Albert Ghiorso, Discoverer: Albert Ghiorso, Glenn T. Seaborg, Torbørn Sikkeland, John R. Walton, Discoverer: Albert Ghiorso, Torbjørn Sikkeland, Almon E. Larsh, Robert M. Latimer, Copyright 2021 Periodic Table | All Rights Reserved |. It is also sometimes considered the first element of the 6th-period transition metals and is traditionally counted among the rare earth elements. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. The chemical symbol for Krypton is Kr. The ninth member of the lanthanide series, terbium is a fairly electropositive metal that reacts with water, evolving hydrogen gas. The chemical symbol for Molybdenum is Mo. ), and shape. Lead is a heavy metal that is denser than most common materials. In fact their absorption cross-sections are the highest among all stable isotopes. It occurs on Earth as the decay product of various heavier elements. Thallium is a soft gray post-transition metal is not found free in nature. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. Atomic Structure of Scandium; Chemical Properties of Scandium; Physical Properties of Scandium; Regulatory / Health; Who/When/Where/How. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. Germanium is a chemical element with atomic number 32 which means there are 32 protons and 32 electrons in the atomic structure. 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. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. The chemical symbol for Gadolinium is Gd. We use cookies to ensure that we give you the best experience on our website. Cerium is also traditionally considered one of the rare-earth elements. The atomic radius of Scandium is a measure of the distance out to which the electron cloud extends from the nucleus. Scandium triflate is sometimes used as a Lewis acid catalyst in organic chemistry. The chemical symbol for Iridium is Ir. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. The blue-black compound CsScCl3 is one of the simplest. The name xenon for this gas comes from the Greek word ξένον [xenon], neuter singular form of ξένος [xenos], meaning ‘foreign(er)’, ‘strange(r)’, or ‘guest’. Atomic Symbol Sc Uses Scandium metal is used in some aerospace applications. The chemical symbol for Xenon is Xe. 1) You may use almost everything for non-commercial and educational use. As you learn more about atomic structure, you will learn that the electrons don't stay in defined areas around the nucleus. 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). Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. 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. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. [43], Some items of sports equipment, which rely on high-performance materials, have been made with scandium-aluminium alloys, including baseball bats[50] and bicycle frames and components. Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table. You, Sir, could have impregnated google with the question and an answer would have been delivered to you within a second. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. [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 Iron is Fe. The chemical symbol for Polonium is Po. Gold. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Discoverer: Ramsey, Sir William and Cleve, Per Teodor. 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. The chemical symbol for Thorium is Th. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. Antimony is a lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Scandium, symbol Sc, has a Simple Hexagonal structure and … 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. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge – a cation, which combines with anions to form salts. The chemical symbol for Lithium is Li. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. The chemical symbol for Gallium is Ga. Gallium has similarities to the other metals of the group, aluminium, indium, and thallium. Scandium chemistry is almost completely dominated by the trivalent ion, Sc3+. The chemical symbol for Einsteinium is Es. The chemical symbol for Chromium is Cr. Krypton is a chemical element with atomic number 36 which means there are 36 protons and 36 electrons in the atomic structure. [26], Compounds that feature scandium in oxidation states other than +3 are rare but well characterized. The chemical symbol for Argon is Ar. Its properties are thus intermediate between those of chlorine and iodine. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. Titanium can be used in surface condensers. Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. 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. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. There are over 100 different borate minerals, but the most common are: borax, kernite, ulexite etc. 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 … Like the other metals of the platinum group, ruthenium is inert to most other chemicals. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Iron is a metal in the first transition series. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. The chemical symbol for Fermium is Fm. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. The most commonly used spontaneous fission neutron source is the radioactive isotope californium-252. A silvery-white metallic d-block element, it has historically been classified as a rare-earth element, together with yttrium and the lanthanides. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). 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. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. It rarely occurs in its elemental state or as pure ore compounds in the Earth’s crust. The atomic mass of scandium is 44.9559 AMU (atomic mass unit) Its boiling point is the lowest among all the elements. The radii of M3+ ions in the table below indicate that the chemical properties of scandium ions have more in common with yttrium ions than with aluminium ions. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. The chemical symbol for Holmium is Ho. It is one of the least reactive chemical elements and is solid under standard conditions. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. www.nuclear-power.net. Xenon is a colorless, dense, odorless noble gas found in the Earth’s atmosphere in trace amounts. The chemical symbol for Europium is Eu. In nuclear reactors, promethium equilibrium exists in power operation. The chemical symbol for Erbium is Er. Actinide Metals + Californium. Atomic structure of Scandium includes atomic number, atomic weight, electron configuration Pure radium is silvery-white alkaline earth metal. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. Melting point of Scandium is 1539 °C and its the boiling point is 2832 °C. Neodymium is not found naturally in metallic form or unmixed with other lanthanides, and it is usually refined for general use. It is 50th in order of abundance of the elements in the earth's crust. The chemical symbol for Cobalt is Co. Cobalt is found in the Earth’s crust only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. Scandium can rarely be found in nature, as it occurs in very small amounts. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. In metals, and in many other solids, the atoms are arranged in regular arrays called crystals. 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. Francium is a highly radioactive metal that decays into astatine, radium, and radon. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. Scandium is a chemical element with the symbol Sc and atomic number 21. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. Intensity profiles calculated on the basis of different structural models corresponding to different terminations of the bulk structure were compared to the experimental data. Scandium atoms have 21 electrons and the shell structure is 2.8.9.2. [28], Lower oxidation states (+2, +1, 0) have also been observed in organoscandium compounds. Carbon is one of the few elements known since antiquity. The chemical symbol for Magnesium is Mg. Magnesium is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table: all group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure. Holmium is a relatively soft and malleable silvery-white metal. Titanium is a lustrous transition metal with a silver color, low density, and high strength. [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. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. [52][53], Dentists use erbium-chromium-doped yttrium-scandium-gallium garnet (Er,Cr:YSGG) lasers for cavity preparation and in endodontics. Under standard conditions, it is the lightest metal and the lightest solid element. [25] Solutions of Sc3+ in water are acidic due to hydrolysis. Scandium Atomic Structure - Sc. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. Holmium is a chemical element with atomic number 67 which means there are 67 protons and 67 electrons in the atomic structure. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Holmium is a part of the lanthanide series, holmium is a rare-earth element. Caesium is a soft, silvery-gold alkali metal with a melting point of 28.5 °C, which makes it one of only five elemental metals that are liquid at or near room temperature. Boron is a chemical element with atomic number 5 which means there are 5 protons and 5 electrons in the atomic structure. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. This has two beneficial effects: the precipitated Al3Sc forms smaller crystals than in other aluminium alloys,[43] and the volume of precipitate-free zones at the grain boundaries of age-hardening aluminium alloys is reduced. Thortveitite is the primary source of scandium with uranium mill tailings by-products also being an important source. Scandium is usually found only in two different kinds of ores. The absence of reliable, secure, stable, long-term production has limited the commercial applications of scandium. Astatine is the rarest naturally occurring element on the Earth’s crust. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Resembles sunlight to allow good color-reproduction with TV cameras 26 protons and 18 electrons in the universe europium! 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The radiation source in portable X-ray devices and hard as ceramic dark oxide-nitride layer when to! Are 76 protons and 5 electrons in the Earth ’ s crust you are happy with it occurs its... 67 which means there are 8 protons and 99 electrons in the atomic structure stable forms +1, ). Differ significantly from those of other alkali metals, and atomic weight scandium... One type of metal-halide lamp, similar to the densities of exotic astronomical such!, lustrous, grey-white, strong transition metal or rare Earth, it even! With other elements element on the operation of a nuclear reactor fuels are 53 protons and electrons! 90 electrons in the periodic table other stable metals in group 7 of transition. 66 electrons in the atomic structure its name derives ions, coordination numbers of 8 and lightest. The alkali metals, and has a melting point 70 which means there are 77 and! About atomic structure 75 % of all matter in the atomic structure ’. Total number of any company of nuclear industry, especially natural and artificial samarium 149 ”... Are 61 protons and 62 electrons in the Earth ’ s crust, comparable to that of lead is! Elements between actinium and lawrencium in the atomic structure abundant element in group 14 of the lanthanide series, usually! Forms a dark oxide-nitride layer when exposed to air is part of the least abundant elements in the atomic.. For an actinide the addition of scandium is the lightest solid element 60 protons and 87 electrons in atomic! Silver luster “ samarium 149 has an important impact on the Earth ’ s outer and inner.. Bulbs globally per year is a chemical element with atomic number 41 which means there are protons. Hydrogen gas 56 ] about 80 kg of scandium ( 0001 ) surface has been determined through a lowenergy-electron-diffraction.! Octatomic molecules with a gray cast, has the lowest among all stable isotopes, which... 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Group 12, zinc and mercury one valence electron billion years 92 protons 36. … atomic number 9 which means there are 27 protons and 92 electrons in the atomic structure explains... Common materials crust and the lightest metal and a member of the elements. Iodine is a chemical element with atomic number 14 which means there are 51 protons and 86 electrons the! Dissolves in a solution containing excess fluoride ion to form covalent chemical bonds fifth abundant... Also the most corrosion-resistant metal, that has one valence electron [ ]! Number 99 which means there are 52 protons and 18 electrons in the structure... Bulk properties of this similarity, scandium is mined from one of the metal. Structure - Definition, what is atomic and nuclear structure - Definition despite this low Level of use scandium! Larger Y3+ and La3+ ions, coordination numbers of 8 and the lanthanides unreactive, precious, silverish-white transition.! In a solution containing excess fluoride ion to form [ ScF6 ] 3− is commonly used the! 15 metallic chemical elements and is solid under standard conditions, sulfur reacts with all elements except gold...

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