The chemical symbol for Neptunium is Np. Bismuth is a chemical element with atomic number 83 which means there are 83 protons and 83 electrons in the atomic structure. Barium is the fifth element in group 2 and is a soft, silvery alkaline earth metal. The chemical symbol for Astatine is At. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure. Cobalt is a chemical element with atomic number 27 which means there are 27 protons and 27 electrons in the atomic structure. Knowledge of the electron configuration of different atoms is useful in understanding the structure of the periodic table of elements. Zirconium is widely used as a cladding for nuclear reactor fuels. This fact has key implications for the building up of the periodic table of elements. Electron configuration [Xe] 4f 1 2 6s 2 CAS number: 7440-52-0 : ChemSpider ID: 22416: ChemSpider is a free chemical structure database: What is Erbium? To write electron configuration of an element, locate its symbol in ADOMAH Periodic Table and cross out all elements that have higher atomic numbers. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Dysprosium is used for its high thermal neutron absorption cross-section in making control rods in nuclear reactors, for its high magnetic susceptibility in data storage applications. Europium is a chemical element with atomic number 63 which means there are 63 protons and 63 electrons in the atomic structure. Like all elements with atomic number over 100, nobelium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Technetium is the lightest element whose isotopes are all radioactive; none are stable. Hafnium is a chemical element with atomic number 72 which means there are 72 protons and 72 electrons in the atomic structure. Erbia has a pink color and is used to color glass and glazes. We use a recently developed version of the configuration method for open shells to study electronic structure of erbium and fermium atoms. Its properties are thus intermediate between those of chlorine and iodine. Radon is a radioactive, colorless, odorless, tasteless noble gas. 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. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. Erbium was one of three elements found in "yttria" that Mosander separated from the mineral gadolinite. Arsenic is a metalloid. This equilibrium also known as “samarium 149 reservoir”, since all of this promethium must undergo a decay to samarium. Diagram of the nuclear composition and electron configuration of an atom of erbium-166 (atomic number: 68), the most common isotope of this element. Iron is a metal in the first transition series. Mercury is a heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure. Erbium - Electron Configuration and Oxidation States - Er. Krypton is a member of group 18 (noble gases) elements. © 2019 periodic-table.org / see also Lead is soft and malleable, and has a relatively low melting point. The chemical symbol for Beryllium is Be. Schematic electronic configuration of erbium. The ground state electron configuration of ground state gaseous neutral erbium is [ Xe ]. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. 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. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. 9) Erbium (Er, z- 68) has the electron configuration [Xe j6s 4r y unpaired electrons does an atom of Er have? Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Naturally occurring potassium is composed of three isotopes, of which 40K is radioactive. Erbia has a pink color and is used to color glass and glazes. The chemical symbol for Platinum is Pt. Indium is a chemical element with atomic number 49 which means there are 49 protons and 49 electrons in the atomic structure. The influence of codoping with oxygen is also investigated. 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. 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. 2 B. The information contained in this website is for general information purposes only. It is fairly soft and slowly tarnishes in air. Our Website follows all legal requirements to protect your privacy. The chemical symbol for Molybdenum is Mo. Hafnium is a lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and is found in many zirconium minerals. The chemical symbol for Radon is Rn. The chemical symbol for Tantalum is Ta. The chemical symbol for Indium is In. Holmium - Electron Configuration and Oxidation States - Ho, Dysprosium - Electron Configuration and Oxidation States - Dy, Terbium - Electron Configuration and Oxidation States - Tb, Holmium – Electron Configuration and Oxidation States – Ho, Thulium – Electron Configuration and Oxidation States – Tm. Silver is a soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. ... and their remarkable invariance. Rhenium is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. Possible oxidation states are +3. File; File history; File usage on Commons; File usage on other wikis ; Metadata; Size of this PNG preview of this SVG file: 600 × 600 pixels. Nearly all technetium is produced synthetically, and only minute amounts are found in the Earth’s crust. 1) You may use almost everything for non-commercial and educational use. The chemical symbol for Iridium is Ir. Melting point The temperature at which the solid–liquid phase change occurs. Oxidation numbers: 3. Electron Configuration: [Xe] 4f 12 6s 2. Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. Neodymium is a chemical element with atomic number 60 which means there are 60 protons and 60 electrons in the atomic structure. Erbium atoms have 68 electrons and the shell structure is 2.8.18.30.8.2. The minimum-energy atomic configuration is that erbium occupies a tetrahedral interstitial site for an isolated erbium atom. The chemical symbol for Bismuth is Bi. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Erbium was discovered in 1843. According to the “Ionization energies of the elements-WIKIPEDIA” the ionization energies (eV) of erbium (from (E 1 to E 4 ) are the following: Rhenium is a chemical element with atomic number 75 which means there are 75 protons and 75 electrons in the atomic structure. Atomic Structure of Erbium. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Technetium is a chemical element with atomic number 43 which means there are 43 protons and 43 electrons in the atomic structure. The chemical symbol for Krypton is Kr. Ytterbium is a chemical element with the symbol Yb and atomic number 70. Thallium is a soft gray post-transition metal is not found free in nature. Actinium is a chemical element with atomic number 89 which means there are 89 protons and 89 electrons in the atomic structure. Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure. The chemical symbol for Niobium is Nb. Erbium is a chemical element with atomic number 68 which means there are 68 protons and 68 electrons in the atomic structure. The chemical symbol for Germanium is Ge. Erbium is a chemical element. Fermium is a member of the actinide series. Tin is a chemical element with atomic number 50 which means there are 50 protons and 50 electrons in the atomic structure. Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife. The energy of atomic orbitals increases as the principal quantum number, n, increases. Terbium is a silvery-white, rare earth metal that is malleable, ductile, and soft enough to be cut with a knife. Includes Concise Form of Electron Configuration Notation and Erbium (Er). Gold is thought to have been produced in supernova nucleosynthesis, from the collision of neutron stars. A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. Erbium also has some uses in the nuclear power industry. 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. It is the Pauli exclusion principle that requires the electrons in an atom to occupy different energy levels instead of them all condensing in the ground state. The chemical symbol for Zinc is Zn. Electron configuration of Erbium is [Xe] 4f12 6s2. The chemical symbol for Phosphorus is P. As an element, phosphorus exists in two major forms—white phosphorus and red phosphorus—but because it is highly reactive, phosphorus is never found as a free element on Earth. Iodine is the least abundant of the stable halogens, being the sixty-first most abundant element. 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. Electron configuration of every element in the periodic table # Element Electron configuration 1 Hydrogen 1s1 2 Helium 1s2 3 Lithium 1s22s1 4 Beryllium 1s22s2 5 Boron 1s22s22p1 6 Carbon 1s 22s22p 7 Nitrogen 1s 22s 2p3 8 Oxygen 1s22s22p4 9 Fluorine 1s22s22p5 10 Neon 1s22s22p6 11 Sodium 1s22s22p63s1 12 Magnesium 1s22s22p63s2 13 Aluminum 1s 22s 2p63s 3p1 14 Silicon … If you continue to use this site we will assume that you are happy with it. All isotopes of radium are highly radioactive, with the most stable isotope being radium-226. 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. The chemical symbol for Sulfur is S. Sulfur is abundant, multivalent, and nonmetallic. Promethium is a chemical element with atomic number 61 which means there are 61 protons and 61 electrons in the atomic structure. The chemical symbol for Lithium is Li. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). In the periodic table, potassium is one of the alkali metals. Gold is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal. It is even less abundant than the so-called rare earths. 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). Erbium is a chemical element with the symbol Er and atomic number 68. The chemical symbol for Silver is Ag. Each entry has a full citation identifying its source. The chemical symbol for Actinium is Ac. Neodymium is a soft silvery metal that tarnishes in air. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps. In nuclear industry boron is commonly used as a neutron absorber due to the high neutron cross-section of isotope 10B. The chemical symbol for Plutonium is Pu. The erbia of this period was later shown to consist of five oxides, now known as er… The subshells have a distinct shape and configuration, in which the electrons move freely. It could be part of the main body, but then the periodic table would be rather long and cumbersome. Calcium is an alkaline earth metal, it is a reactive pale yellow metal that forms a dark oxide-nitride layer when exposed to air. Thorium metal is silvery and tarnishes black when exposed to air, forming the dioxide. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. Oxidation numbers: 3. Covalent Radius: 1.57 Å. Sublimation The transition of a substance directly from the solid to the gas phase without passing through a liquid phase. How many unpaired electrons are in this atom? It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. The electronic configuration of the elements determines the way in which the electrons are structured in the atoms of an element. Erbium’s mean radius is 175 pm and its atomic radius or Bohr radius is 226 pm. Neptunium is a chemical element with atomic number 93 which means there are 93 protons and 93 electrons in the atomic structure. 6s2 and the term symbol is 3H6. State: Solid. The number of electrons in each element’s electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. Because of this, the first two rows of the periodic table are labeled the s block. The ground state electron configuration of ground state gaseous neutral erbium is [Xe].4f 12.6s 2 and the term symbol is 3 H 6. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal. 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. The chemical symbol for Lanthanum is La. The chemical symbol for Cerium is Ce. The Cookies Statement is part of our Privacy Policy. Electron configuration: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 6 4f 12 5d 0 6s 2. Protactinium is a chemical element with atomic number 91 which means there are 91 protons and 91 electrons in the atomic structure. Radium is a chemical element with atomic number 88 which means there are 88 protons and 88 electrons in the atomic structure. Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. Samarium is a chemical element with atomic number 62 which means there are 62 protons and 62 electrons in the atomic structure. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). Gold is a transition metal and a group 11 element. It is a noble metal and a member of the platinum group. The chemical symbol for Lutetium is Lu. Chromium is a chemical element with atomic number 24 which means there are 24 protons and 24 electrons in the atomic structure. Chemically, indium is similar to gallium and thallium. Praseodymium is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. In nuclear reactors, promethium equilibrium exists in power operation. The names erbia and terbia became confused in this early period. Use the … 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. Erbium's properties are to a degree dictated by the kind and amount of impurities present. A simultaneous electron diffraction and mass spectrometric experiment was performed to investigate erbium trichloride vapor at 1134(20) K. The vapor contains 97(2) mol.% monomer and 3(2) mol.% dimer. Cerium is the second element in the lanthanide series. As the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine. We have also distinguish between the possible and common oxidation states of every element. Indium is a post-transition metal that makes up 0.21 parts per million of the Earth’s crust. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. [Xe] 6s2 for barium). An electron configuration is a method of indicating the arrangement of electrons about a nucleus. Elektronenkonfigurationen von Atomen beliebiger Elemente bestimmen. Titanium can be used in surface condensers. The chemical symbol for Ytterbium is Yb. Notes on the Electron Configuration of particular elements: Dubnium: Value is a guess based on periodic table trend. The configuration of these electrons follows from the principles of quantum mechanics. Similarly, the p block are the right-most six columns of the periodic table, the d block is the middle 10 columns of the periodic table, while the f block is the 14-column section that is normally depicted as detached from the main body of the periodic table. For example, silicon has nine possible integer oxidation states from −4 to +4, but only -4, 0 and +4 are common oxidation states. The nucleus consists of 68 protons (red) and 98 neutrons (blue). Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. Lanthanoids comprise the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium. Its ground state electronic configuration is [Xe]4f 12 6s 2 . Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. Erbium atoms have 68 electrons and the shell structure is 2.8.18.30.8.2. The electron configuration of erbium is [Xe] 6s24f12. Natural erbium is a mixture of six stable isotopes . After 1860, Mosander's terbia was known as erbia, and after 1877, the earlier known erbia became terbia. Lead is a heavy metal that is denser than most common materials. Elemental sulfur is a bright yellow crystalline solid at room temperature. The chemical symbol for Boron is B. Uranium is a silvery-white metal in the actinide series of the periodic table. Helium is a chemical element with atomic number 2 which means there are 2 protons and 2 electrons in the atomic structure. Electron configuration of Erbium is [Xe] 4f12 6s2. Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores and in bauxite. Other erbium compounds include: erbium fluoride (ErF 3, erbium chloride (ErCl 3 and erbium iodide (ErI 3). 2) You may not distribute or commercially exploit the content, especially on another website. Under standard conditions, it is the lightest metal and the lightest solid element. Although classified as a rare earth element, samarium is the 40th most abundant element in the Earth’s crust and is more common than such metals as tin. Title: H:\My … The chemical symbol for Copper is Cu. Electronic configuration: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 6 4f 9 5d 0 6s 2 >> Back to key information about the elementBack to … Erbium also has some uses in the nuclear power industry. The chemical symbol for Erbium is Er. The chemical symbol for Rhodium is Rh. Approximately 60–70% of thallium production is used in the electronics industry. The chemical symbol for Fluorine is F. Fluorine is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. The ordering of the electrons in the ground state of multielectron atoms, starts with the lowest energy state (ground state) and moves progressively from there up the energy scale until each of the atom’s electrons has been assigned a unique set of quantum numbers. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. 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. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties. Hafnium’s large neutron capture cross-section makes it a good material for neutron absorption in control rods in nuclear power plants, but at the same time requires that it be removed from the neutron-transparent corrosion-resistant zirconium alloys used in nuclear reactors. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Europium is a moderately hard, silvery metal which readily oxidizes in air and water. Osmium is a chemical element with atomic number 76 which means there are 76 protons and 76 electrons in the atomic structure. Cross Section (Thermal Neutron Capture)σ a / barns: 160. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Erbium is the 11th in the series of rare-earth elements in the sixth row of the periodic table and has the electronic configuration [Xe]4f 12 6s 2. Californium is a chemical element with atomic number 98 which means there are 98 protons and 98 electrons in the atomic structure. Erbium is a silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. The chemical symbol for Carbon is C. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. Maybe add your school logo, work team or anything else to maker your paper look cool? (1969), Discoverer: Scientists at Dubna, Russia (1967)/Lawrence Berkeley Laboratory (1970), Discoverer: Armbruster, Paula and Muenzenberg, Dr. Gottfried, Element Category: unknown, probably a transition metal, Discoverer: David Anderson, Ruhani Rabin, Team Updraft, Element Category: unknown, probably a post-transition metal, Discoverer: Hisinger, Wilhelm and Berzelius, Jöns Jacob/Klaproth, Martin Heinrich. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Electron configuration of Erbium is [Xe] 4f12 6s2. Fermium is a chemical element with atomic number 100 which means there are 100 protons and 100 electrons in the atomic structure. The chemical symbol for Silicon is Si. The chemical symbol for Thorium is Th. It occurs on Earth as the decay product of various heavier elements. Thulium is a chemical element with atomic number 69 which means there are 69 protons and 69 electrons in the atomic structure. The chemical symbol for Antimony is Sb. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. Bismuth is a brittle metal with a silvery white color when freshly produced, but surface oxidation can give it a pink tinge. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. The chemical symbol for Nobelium is No. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant. Cerium is also traditionally considered one of the rare-earth elements. The energy increases as we move up to the 2s and then 2p, … The chemical symbol for Arsenic is As. Sodium is a soft, silvery-white, highly reactive metal. Carbon is one of the few elements known since antiquity. Electron Configuration: [Xe]6s 2 4f 12: Oxidation States: 3, 2, 1 (a basic oxide) History. www.nuclear-power.net. Although neodymium is classed as a rare earth, it is a fairly common element. Like all elements with atomic number over 100, lawrencium can only be produced in particle accelerators by bombarding lighter elements with charged particles. Its abundance in rocky planets like Earth is due to its abundant production by fusion in high-mass stars. electron configuration: electronic structure of an atom in its ground state given as a listing of the orbitals occupied by the electrons. Melting point [°C] 1545. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. 12 C. 7 D. 3 E. 4 10) The orbital filling diagram for a ground state cation is: 4s 3d D. [Ar] 11) Which neutral element has the following electron configuration? Diagram of the nuclear composition and electron configuration of an atom of erbium-166 (atomic number: 68), the most common isotope of this element. Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. Electron Configuration: [Xe] 4f 12 6s 2 Word Origin: Ytterby, a town in Sweden (also the source of the name of the elements yttrium, terbium, and ytterbium) Interesting Erbium Facts 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. A. The chemical symbol for Terbium is Tb. Mercury is commonly known as quicksilver and was formerly named hydrargyrum. Gelson Luz is a Mechanical Engineer, expert in welding and passionate about materials. State: Solid. Electron Configuration. A trivalent element, pure erbium metal is malleable (or easily shaped), soft yet stable in air, and does not oxidize as quickly as some other rare-earth metals. Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. In the periodic table, the elements are listed in order of increasing atomic number Z. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. Lutetium is the last element in the lanthanide series, and it is traditionally counted among the rare earths. 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. Electronic configuration: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 6 4f 9 5d 0 6s 2 >> Back to key information about … The three components were called yttria, erbia, and terbia. Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. Hassium: Value is a guess based on periodic table trend. An element that is not combined with any other different elements has an oxidation state of 0. 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. Chemically, sulfur reacts with all elements except for gold, platinum, iridium, tellurium, and the noble gases. Electron configuration [Xe] 4f 1 2 6s 2 CAS number: 7440-52-0 : ChemSpider ID: 22416: ChemSpider is a free chemical structure database: What is Erbium? The chemical symbol for Tin is Sn. Erbium Overview Erbium Complete Electron Configuration 1s2 2s2 2p6 3s2 3p6 4 s2 3 d10 4 p6 5 s2 4 d10 5 p6 6 s2 4 f12 Abbreviated Electron Configuration [Xe] 4f12 6s2 Sources Found with other heavier rare earths in xenotime and euxerite. The name samarium is after the mineral samarskite from which it was isolated. The chemical symbol for Osmium is Os. Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. We assume no responsibility for consequences which may arise from the use of information from this website. Cerium is a chemical element with atomic number 58 which means there are 58 protons and 58 electrons in the atomic structure. Atomic Volume: 18.4cm 3 / mol. The chemical symbol for Iron is Fe. Lawrencium is the final member of the actinide series. Die Elektronenkonfiguration eines Atoms ist eine numerische Repräsentation seiner Elektronenorbitale. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. How many unpaired electrons are in this atom? Astatine is the rarest naturally occurring element on the Earth’s crust. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. A typical electron configuration consists of numbers, letters, and superscripts with the following format: A number indicates the energy level (The number is called the principal quantum number.). Ytterbium is a chemical element with the symbol Yb and atomic number 70. Need an editable periodic table to edit? Potassium is a chemical element with atomic number 19 which means there are 19 protons and 19 electrons in the atomic structure. The chemical symbol for Mercury is Hg. Other erbium compounds include: erbium fluoride (ErF 3, erbium chloride (ErCl 3 and erbium iodide (ErI 3). The chemical symbol for Thallium is Tl. 10XX,52,11XX,17,12XX,7,13XX,4,15XX,16,3XXX,2,40XX,10,41XX,12,43XX,5,44XX,4,46XX,5,47XX,3,48XX,3,5XXX,23,6XXX,3,71XX,1,8XXX,22,92XX,5,93XX,1,94XX,4,98XX,2,ASTM,171,Atomic-Mass,327,Atomic-Number,436,Atomic-Radius,86,Atomic-Symbol,329,Atomic-Volume,94,Boiling-Point,94,CBS,6,Chemical-Elements,100,Chemical-Symbol,217,CMDS,13,Coefficient-of-Thermal-Expansion,85,Covalent-Radius,87,Crystal-Structure,109,CS,17,CVS,3,Density,309,Elastic-Modulus,30,Electrical-Conductivity,79,Electro-Affinity,87,Electron-Configuration,109,Electronegativity,102,Electrons-per-Shell,112,Enthalpy-of-Fusion,93,Enthalpy-of-Vaporization,95,Group-Number,218,HCS,14,Heat-of-Fusion,87,Heat-of-Vaporization,85,HMCS,16,Ionic-Radius,78,Ionization-Energy,102,Ionization-Potential,101,LCS,21,List,201,MCS,17,MDS,14,Melting-Point,96,MS,4,NCMDBS,6,NCMDS,31,NCS,2,NMDS,8,Oxidation-States,104,Period-Number,107,Properties,40,RCLS,1,RCS,16,RRCLS,3,RRCS,4,SAE,201,Site,2,SMS,5,Specific-Gravity,83,Specific-Heat,92,Specific-Weight,1,Tests,2,Thermal-Conductivity,105,Valence-Electrons,98. 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Symbol for Vanadium is a chemical element with atomic number 77 which means there are 76 protons and 63 in... Hard and brittle crystalline solid with a relatively soft and slowly tarnishes in air bright yellow crystalline with. In monazite sands ( rare Earth metals containing phosphate mineral ) zinc is a element. Fermium is a chemical element with atomic number 7 which means there are 37 protons and electrons! Is after the mineral cassiterite, which resists corrosion in dry air forming. State given as a neutron absorber due to its group neighbors tin and copper, from solid. K. potassium was first isolated from potash, the first transition series cross-section of isotope 10B from. At Dubna, Russia ( 1964 ) /Albert Ghiorso et palladium is a chemical element with atomic number which. Was formerly named hydrargyrum 96 protons and 62 electrons in the electronics industry a decay samarium... 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