Chrome Industry Annual Report 2017
2018-02-28 17:48:55 【Print】
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1. Chrome Industry Overview
Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in group 6 . It is a steely-grey, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point . The name of the element is derived from the Greek word χρ?μα, chrōma, meaning color, because many chromium compounds are intensely colored . Chromium is remarkable for its magnetic properties: it is the only elemental solid which shows antiferromagnetic ordering at room temperature (and below) . Above 38 °C, it changes to paramagnetic.
Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in group 6 . It is a steely-grey, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point . The name of the element is derived from the Greek word χρ?μα, chrōma, meaning color, because many chromium compounds are intensely colored . Chromium is remarkable for its magnetic properties: it is the only elemental solid which shows antiferromagnetic ordering at room temperature (and below) . Above 38 °C, it changes to paramagnetic.