An element that is not combined with any other different elements has an oxidation state of 0. The chemical symbol for Nickel is Ni. The chemical symbol for Actinium is Ac. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. Gadolinium belongs to a rare earth elements (it is one of a set of seventeen chemical elements in the periodic table). Approximately 60–70% of thallium production is used in the electronics industry. The chemical symbol for Silicon is Si. The chemical symbol for Thorium is Th. Argon is the third-most abundant gas in the Earth’s atmosphere, at 0.934% (9340 ppmv). Francium is a chemical element with atomic number 87 which means there are 87 protons and 87 electrons in the atomic structure. The electron configuration of an element describes how electrons are distributed in its atomic orbitals. The element argon (atomic number 18) has the electron configuration 1s22s22p63s23p6 which can be abbreviated [Ne] 3s23p6 We write the same electron configuration as argon and we write 4s and one electron in that 4s orbital so we write 4s1. and the term oxidation number is nearly synonymous. The chemical symbol for Tantalum is Ta. around the world. a. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. The chemical symbol for Chlorine is Cl. This decides the electron capacity of the shells. Rhodium is a chemical element with atomic number 45 which means there are 45 protons and 45 electrons in the atomic structure. Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. It is the eponym of the lanthanide series, a group of 15 similar elements between lanthanum and lutetium in the periodic table, of which lanthanum is the first and the prototype. #1s^2 2s^2 2p^6 3s^2 3p^5# Mercury is commonly known as quicksilver and was formerly named hydrargyrum. It is fairly soft and slowly tarnishes in air. 1s 2 2s2 2p6 3s 2 … 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 Iridium is Ir. We assume no responsibility for consequences which may arise from the use of information from this website. The chemical symbol for Osmium is Os. In nuclear industry cadmium is commonly used as a thermal neutron absorber due to very high neutron absorption cross-section of 113Cd. The chemical symbol for Uranium is U. It is the fourth most common element in the Earth’s crust. So, zinc's electron configuration written in shorthand is [Ar]4s 2 3d 10. The chemical symbol for Platinum is Pt. Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 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. Europium is one of the least abundant elements in the universe. Tungsten is an intrinsically brittle and hard material, making it difficult to work. Nickel is a silvery-white lustrous metal with a slight golden tinge. Thulium is the thirteenth and third-last element in the lanthanide series. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. Iron is a metal in the first transition series. 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 2020 Periodic Table | All Rights Reserved |. The chemical symbol for Rhenium is Re. al. Plutonium is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. 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 Scandium is Sc. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). It is one of the least reactive chemical elements and is solid under standard conditions. To do this, the nearest noble gas that precedes the element in question is written first, and then the electron configuration … Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. The chemical symbol for Argon is Ar. Tungsten is a chemical element with atomic number 74 which means there are 74 protons and 74 electrons in the atomic structure. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. 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. The chemical symbol for Terbium is Tb. 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. The chemical symbol for Samarium is Sm. Because its outer electron shell is full, it is chemically unreactive. The chemical symbol for Krypton is Kr. Very soft and malleable, indium has a melting point higher than sodium and gallium, but lower than lithium and tin. Full electron configuration of krypton: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 bromine ← krypton → rubidium. © 2009-2018 | www.prvky.com | kontaktkontakt Similarly, adding electrons results in a negative oxidation state. The chemical symbol for Lithium is Li. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It occurs on Earth as the decay product of various heavier elements. Thorium is commonly found in monazite sands (rare earth metals containing phosphate mineral). E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. It is the fifth most abundant element in Earth’s crust and the third most abundant metal, after iron and aluminium. Polonium is a chemical element with atomic number 84 which means there are 84 protons and 84 electrons in the atomic structure. A full valence shell is the most stable electron configuration. The chemical symbol for Plutonium is Pu. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels. It is a soft, silvery-white alkali metal. Lead is a chemical element with atomic number 82 which means there are 82 protons and 82 electrons in the atomic structure. Choose one answer. Niobium is a soft, grey, ductile transition metal, often found in the minerals pyrochlore (the main commercial source for niobium) and columbite. Notes on the Electron Configuration of particular elements: Dubnium: Value is a guess based on periodic table trend. However, the standard notation often yields lengthy electron configurations (especially for elements having a relatively large atomic number).