The platinum-group metals (abbreviated as the PGMs; alternatively, the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs)) are six noble, precious metallic elements clustered together in the periodic table. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. 2) You may not distribute or commercially exploit the content, especially on another website. The metal was used by pre-Columbian Indians. Osmium (from Greek ὀσμή osme, "smell") is a chemical element with the symbol Os and atomic number 76. The year 2007 marked the centenary of the death of Dmitri Mendeleev (1834–1907). They have an energy gap less than 4eV (about 1eV). Fully descriptive writeups. ), and shape. The platinum-group metals (abbreviated as the PGMs; alternatively, the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs)) are six noble, precious metallic elements clustered together in the periodic table.These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5 and 6). The information contained in this website is for general information purposes only. Periodic Table of the Elements. What is Discovery of the Neutron - Definition, What is Structure of the Neutron - Definition. Platinum. A horizontal row in the periodic table. Platinum (Pt), chemical element, the best known and most widely used of the six platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table. Various ores, including copper and nickel deposits contain platinum in combination with sulfide, arsenide and antimonides. Platinum atoms have 78 electrons and 78 protons with 117 neutrons in the most abundant isotope. A very heavy, precious, silver-white metal, platinum is soft and ductile and has a high melting point and … Los Alamos National Laboratory, LLC for the U.S. Department of Energy's NNSA. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Platinum is a lustrous silvery-white, malleable, ductile metal and a member of group 10 of the periodic table of the elements. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 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. Pt is found uncombined in alluvial deposits and as alloy with the other platinum-group metals. The SI unit of electrical resistivity is the ohm-metre (Ω⋅m). To understand the difference between metals, semiconductors and electrical insulators, we have to define the following terms from solid-state physics: A possible crystal structure of Platinum is face-centered cubic structure. It is one of the of the six platinum group metals consisting of platinum, palladium, rhodium, osmium, iridium and ruthenium. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. Platinum is one of the least reactive metals. Period. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements. Platinum is a ductile and malleable silvery-white metal. Image of atomic, experiment, element - 97979802 Platinum is a rare transition metal. Note that, electrical resistivity is not the same as electrical resistance. Interactive periodic table showing names, electrons, and oxidation states. Substances in which electricity can flow are called conductors. Platinum is the third element of the tenth column in the periodic table. Platinum is unaffected by air and water , but will dissolve in hot aqua regia, in hot concentrated phosphoric and sulphuric acids, and in molten alkali. Platinum is a chemical element with the symbol Pt and atomic number 78. Discoverer: Davy, Sir H. and Thénard, L.-J. Platinum is mostly present in its native form and as alloy with iron. Atomic Number – Does it conserve in a nuclear reaction? 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. It is one of the rare elements in the Earth’s crust. A low resistivity indicates a material that readily allows the flow of electric current. Platinum is unaffected by air and water, but will dissolve in hot aqua regia, in hot concentrated phosphoric and sulphuric acids, and in molten alkali. and Gay-Lussac, L.-J. Interactive periodic table with up-to-date element property data collected from authoritative sources. E. Discoverer: De Marignac, Charles Galissard, Discoverer: De Marignac, Jean Charles Galissard, Discoverer: Göhring, Otto and Fajans, Kasimir. In metals, and in many other solids, the atoms are arranged in regular arrays called crystals. If you continue to use this site we will assume that you are happy with it. Common chemical compounds are also provided for many elements. It is referred to as a “transition metal.” It is also one of the “platinum metals,” along with iridium, osmium, palladium, rhodium, and ruthenium. Atomic Ionization Energies Output. Platinum is widely used as a catalyst for chemical reactions. 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. Discovered in South America by Ulloa in 1735 and by Wood in 1741. The chemical behaviour of these metals is paradoxical Interactive periodic table with up-to-date element property data collected from authoritative sources. Discoverer: Scientists at Dubna, Russia (1964)/Albert Ghiorso et. It is as resistant as gold to corrosion and tarnishing. Glossary. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game! In contrast to conductors, electrons in a semiconductor must obtain energy (e.g. Over twenty-five years ago McDonald and Hunt (1) … It is a malleable, highly precious member of the transition metals group. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. Interactive periodic table showing names, electrons, and oxidation states. The most important use of platinum is in vehicles, as a catalytic converter, facilitating the complete combustion of unburned hydrocarbon passing through the exhaust. Used by the pre-Columbian Indians of South America, platinum wasn't noticed by western scientists until 1735. Group. The chemical symbol for Platinum is Pt. Comprehensive data on the chemical element Platinum is provided on this page; including scores of properties, element names in many languages, most known nuclides of Platinum. Discovered in South America by Ulloa in 1735 and by Wood in 1741. Platinum is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Common chemical compounds are also provided for many elements. Indeed, platinum will not oxidize in air no matter how strongly it is heated. Platinum is a transition metal element. In the Periodic table of elements it is a d-block metal and it belong to the 10 th group and 6 th period. It is one of the rarer elements in Earth's crust, with an average abundance of approximately 5 μg/kg. (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. 2. Sources. Group in periodic table: 10; Group name: Precious metal or platinum group metal; Period in periodic table: 6; Block in periodic table: d; Shell structure: 2.8.18.32.17.1 ; CAS Registry: 7440-06-4 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. 78. The most com… Platinum (atomic number 78, symbol Pt) is a precious, dense metal and one of the rarest elements on earth. Last accessed: 27 August 2020. It is classified as a transition metal. Platinum is widely used as a catalyst for chemical reactions. It is found in gold-bearing deposits in the USA, Columbia, and the Ural Mountains. 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. A very heavy, precious, silver-white metal, platinum is soft and ductile and has a high melting point and good resistance to corrosion and 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. Log in, This site uses cookies to improve your experience. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game! Platinum is widely used as a catalyst in exhaust system of internal combustion engine where it is part of the catalytic converter. al. Platinum, symbol Pt, has a Face Centered Cubic structure and Gray color. Last accessed: 27 August 2020. National Institute of Standards and Technology, U.S. Department of Commerce. Platinum is a 78. chemical element in the periodic table of elements. The elements all possess a silvery white colour—except osmium, which is bluish white. History. Platinum is used in making electrical contact points and resistance wires. The forces of chemical bonding causes this repetition. Visualize trends, 3D orbitals, isotopes, and mix compounds. Platinum with the atomic number 78 and an atomic mass of 195 in the periodic table is an extremely rare element found in the crust of the earth. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. It has the third highest density, behind osmium and iridium. 1) You may use almost everything for non-commercial and educational use. Our Website follows all legal requirements to protect your privacy. Members of a group typically have similar properties and electron configurations in their outer shell. m. Electrical resistivity and its converse, electrical conductivity, is a fundamental property of a material that quantifies how strongly it resists or conducts the flow of electric current. We use cookies to ensure that we give you the best experience on our website. Platinum is used in making ornaments, artifacts and jewellery. A crystal lattice is a repeating pattern of mathematical points that extends throughout space. Photo about platinum on the periodic table of the elements. Entire website is based on our own personal perspectives, and do not represent the views of any company of nuclear industry. Platinum is a lustrous silvery-white, malleable, ductile metal and a member of group 10 of the periodic table of the elements. Electrical resistance is expressed in Ohms. Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). Platinum is ductile, malleable, silvery-white or gray-white in color, and non-reactive. The Platinum Group Metals These metals have similar properties and are often present in the same mineral ores. Platinum is a metallic element with the atomic number 78 and the symbol Pt. Platinum – Periodic Table – Atomic Number – Mass – Radius – Density. It has six naturally occurring isotopes. The most important use of platinum is in vehicles, as a catalytic converter, facilitating the complete combustion of unburned hydrocarbon passing through the exhaust. 195.084. Visualize trends, 3D orbitals, isotopes, and mix compounds. Transport of thermal energy in solids may be generally due to two effects: Copyright 2020 Periodic Table | All Rights Reserved |. Semiconductors are materials, inorganic or organic, which have the ability to control their conduction depending on chemical structure, temperature, illumination, and presence of dopants. Platinum is used in making dental alloys and implants. The Cookies Statement is part of our Privacy Policy. Its name is derived from the Spanish term platino, meaning "little silver". Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). Its atomic number is 78 and represented by the symbol Pt. Each entry has a full citation identifying its source. It is primarily prevalent in the alluvial deposit layer along with sand and clay particles. and an insulator, such as glass. To find out more, see our. Periodic Table of Elements Element Platinum Pt. It has the third highest density, behind osmium and iridium . Platinum is used in jewelry, decoration and dental work. Pronunciation: Plat-a-nam Appearance: Silvery white Mass Number: 195 Standard Atomic weight: 195.084 g/mol Atomic number (Z): 78 Electrons: 78 Protons: 78 Neutrons: 117 Period: 6 Group: 10 Block: d Element category: Transition metal Electrons per shell: K2, L8, M18, N32, O17, P1 Electron configuration: 1s22s22p63s23p63d104s24p64d105s25p64f145d96s1 It is considered to be a precious metal along with silver and gold. The word Platinum is derived from Platina (Spanish word meaning ‘little silver’), because of its grey-white silvery colour. He describes it as a strange metal found in mines between Panama and Mexico and wrote that no fire or any of the Spanish arts could melt it. Our platinum page has over 260 facts that span 87 different quantities. Osmium is the densest naturally occurring element, with an experimentally measured (using x-ray crystallography) density of 22.59 g/cm 3. A vertical column in the periodic table. The platinum group metals or PGMs are a set of six precious metals that are clustered together on the periodic table around the element platinum. In 1783 French chemist Francois Chabaneaus discovered and patented a method of producing workable platinu… Insulators, on the other hand, are made of a wide variety of materials depending on factors such as the desired resistance. Platinum was discovered by South American peoples who produced artifacts of a white gold-platinum alloy. It is present in a concentration of as low as around 0.005 ppm (5micrograms per kg) in the Earth’s crust. Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements. Atomic Mass Number – Does it conserve in a nuclear reaction? It 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. Explore the different alchemical symbols for platinum and learn how the alchemists viewed this element, in this Visual Elements Periodic Table resource from the Royal Society of Chemistry Platinum is a chemical element in the periodic table that has the symbol Pt and atomic number 78. Platinum is used in making liquid glass display in laptops. Periodic Table of the Elements. Platinum (Pt), chemical element, the best known and most widely used of the six platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table. Platinum (Pt) has an atomic number of seventy-eight. Platinum is used in aircraft and sport car industries. This article discusses how he and some of his predecessors accommodated the platinum group metals (pgms) in the Periodic Table, and it considers the placing of their three transuranic congeners: hassium (108Hs), meitnerium (109Mt) and darmstadtium (110Ds). The elements all possess a silvery white colour—except osmium, which is bluish white. 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. from ionizing radiation) to cross the band gap and to reach the conduction band.