Chromium - Wikipedia
Chromium is a chemical element; it has symbol Cr and atomic number 24. It is the first element in group 6. It is a steely-grey, lustrous, hard, and brittle transition metal. [10] Chromium is valued for its high corrosion resistance and hardness.
Chromium | Uses, Properties, & Facts | Britannica
2025年1月18日 · Chromium, chemical element of Group 6 (VIb) of the periodic table, a hard steel-gray metal that takes a high polish and is used in alloys to increase strength and corrosion resistance. Chromium is a relatively abundant element in Earth’s crust.
Chromium - Element information, properties and uses | Periodic …
Chromium is used to harden steel, to manufacture stainless steel (named as it won’t rust) and to produce several alloys. Chromium plating can be used to give a polished mirror finish to steel. Chromium-plated car and lorry parts, such as bumpers, were once very common.
Metal Profile: Chromium - Properties, History & More - ThoughtCo
2019年2月3日 · Chromium is a hard, gray metal that is valued for its incredible resistance to corrosion. Pure chromium is magnetic and brittle, but when alloyed can be made malleable and polished to a bright, silvery finish.
Chromium | History, Uses, Facts, Physical & Chemical Characteristics
Chromium is a transition metal that was discovered by Gottlob Lehmann in 1766. It has a shiny surface that is resistant to corrosion and this quality makes its ideal for manufacturing and coating of wide range of material, including cars and bikes.
Chromium Element Facts - chemicool.com
Chromium is a silver, lustrous, very hard metal that can take a high mirror polish. It is also odorless, tasteless, and malleable. The metal forms a thin protective oxide coating in air.
Chromium Definition, Facts, Symbol, Discovery, Property, Uses
Chromium (pronunciation: KROH-mee-em) is a brittle, lustrous, silvery element belonging to the group of transition metals in the periodic table, and it is represented by the chemical symbol Cr [1, 2, 3]. It is highly valued for its hardness and corrosion resistance [4].
The Facts on Chromium | Dartmouth Toxic Metals
Chrome metal (the form chromium-0) is the element that makes steel “stainless.” Chromium in this form is hard, stable, and resistant to chemical changes such as oxidation or rust. Steel alloyed with chromium is harder and less brittle than iron and highly rust-resistant.
Chromium (Cr) - Definition, Preparation, Properties, Uses
6 天之前 · Chromium is a lustrous, steel-gray metal that stands out for its durability and shiny appearance. Holding the atomic number 24. chromium is renowned for its high corrosion resistance and hardness. This metal is not found freely in nature but is primarily extracted from the mineral chromite.
Chromium - Chemistry Encyclopedia - elements, metal, name
Chromium is also an important alloy component in stainless steel because it makes the steel stronger and more corrosion-resistant. Paint pigments account for more than one-third of all chromium usage each year. Overall, chromium is the twenty-first most abundant element in …