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.
Chromium is an essential mineral for human nutrition and aids in the normal function of insulin - one hormone that is critical for the normal regulation of blood sugar. The essentiality of chromium was discovered by mistake - individuals who were in the hospital receiving liquid nutrition were developing diabetes.