You must be at least 16 years of age in order to attend! The Navy League of the United States is proud to host the U.S. Navyâs official 241st Birthday Ball in the National Capital Region. The ball will be held at the Gaylord National Resort & Convention Center, in National Harbor, MD.
For other uses, see Chromium (disambiguation). 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.
Vanquelin in Paris, France. Chromium is a bright, blue/white metal with excellent corrosion resistance. It is obtained by the aluminium reduction of Cr2O3, the source of which is chromite, a double oxide of chromium and iron which generally also contains magnesium. It has an abundance within the earth's crust of approximately 100 ppm.