chemical element with symbol Cr and atomic number 24
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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.
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Prof Louis Nicolas Vauquelin FRS(For) HFRSE (16 May 1763 – 14 November 1829) was a French pharmacist and chemist. He was the discoverer of both chromium and beryllium.
technique of electroplating a thin layer of chromium onto a metal object
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Chrome plating (less commonly chromium plating) is a technique of electroplating a thin layer of chromium onto a metal object. A chrome plated part is called chrome, or is said to have been chromed. The ...
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From 1952 to 1966, Pacific Gas and Electric Company (PG&E) dumped about 370 million U.S. gallons (1.4×10 liters) of chromium-tainted wastewater into unlined wastewater spreading ponds around the town of ...
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Baltimore Chrome Works was a chromium ore refinery with its headquarters and main factory located at Fells Point, Baltimore, USA. Isaac Tyson started mining chromite in the area around Baltimore in 1813 ...
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Lake Chichoj is located near the city of San Cristóbal Verapaz, in the department of Alta Verapaz, in Guatemala. It is 1 km (0.62 mi) long, 0.5 km (0.31 mi) wide, with an area of 0.5 km (0.19 sq mi), an ...