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.
Properties of chromium. Chromium is a transition metal in Group 6 on the Periodic Table of Elements. In its pure form, chromium is a steel-gray, lustrous hard metal that has a high polish.It has many compounds that are all colored. [See Periodic Table of the Elements ]. Of the compounds, the most important are the chromates of sodium and potassium; the dichromates; and potassium and ammonium chrome alums.roperties of chromium. Chromium is a transition metal in Group 6 on the Periodic Table of Elements. In its pure form, chromium is a steel-gray, lustrous hard metal that has a high polish.