Chromium is used extensively in automobile trim as chromium metal because of its shiny finish and corrosion resistance. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. It is hard and resistant to corrosion. Why don't libraries smell like bookstores? How long will the footprints on the moon last? Operated by Los Alamos National Security, LLC for the U.S. Department of Energy's NNSA From the Greek word chroma, color. The calculated atomic radius of chromium is 166 pm; for more details see the link below. The calculated atomic radius of chromium is 166 pm; for more details see the link below. It is added to glass to produce an emerald green color. Chromium is element atomic number 24 with element symbol Cr. Chromium Properties: Chromium has a melting point of 1857+/-20°C, a boiling point of 2672°C, a specific gravity of 7.18 to 7.20 (20°C), with valences usually 2, 3, or 6. If you are 13 years old when were you born? She has taught science courses at the high school, college, and graduate levels. Sources: The principal ore of chromium is chromite (FeCr2O4). 0 0. Ano ang Imahinasyong guhit na naghahati sa daigdig sa magkaibang araw? The metal may be produced by reducing its oxide with aluminum. All compounds of chromium are colored. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. The metal is a lustrous steel-gray color which takes a high polish. Other compounds are of industrial value; lead chromate is chrome yellow, a valued pigment. What is the hink-pink for blue green moray? Note: All measurements given are in picometers (pm). Chromium compounds are used in the textile industry as mordants, and by the aircraft and other industries for anodizing aluminum. The principal ore is chromite, which is found in Zimbabwe, Russia, New Zealand, Turkey, Iran, Albania, Finland, Democratic Republic of Madagascar, and the Phillippines. Copyright © 2020 Multiply Media, LLC. Chromium is used to harden steel, manufacture stainless steel, and form many useful alloys. The metal is commonly used for plating to produce a shiny, hard surface that is resistant to corrosion. The metal is a lustrous steel-gray color which takes a high polish. Ano ang mga kasabihan sa sa aking kababata? Chromium compounds are toxic and should be handled with proper safeguards. The refractory industry uses chromite for forming bricks and shapes, as it has a high melting point, moderate thermal expansion, and stability of crystalline structure. Chromium Discovery: Louis Vauquelin 1797 (France), Chromium Electron Configuration: [Ar] 4s1 3d5, Chromium Word Origin: Greek chroma: color. Source(s): chromium atomic radius 124 9 pm bcc crystal structure: It is mostly used in plating to produce a hard, beautiful surface and to prevent corrosion. Atomic radius. to Randy, Can't do with what is given. Does Jerry Seinfeld have Parkinson's disease? For more recent data on covalent radii see Covalent radius.Just as atomic units are given in terms of the atomic mass unit (approximately the proton mass), the physically appropriate unit of length here is the Bohr radius, which is the radius … Anonymous. What is the rising action of faith love and dr lazaro? Pagkakaiba ng pagsulat ng ulat at sulating pananaliksik?

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