Louis Nicolas Vauquelin FRS(For) HFRSE was a French pharmacist and chemist. He was the discoverer of both chromium and beryllium.
Louis Nicolas Vauquelin
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.
Chromium
Sample of pure chromium metal
Chromium(II) carbide (Cr3C2)
Anhydrous chromium(III) chloride (CrCl3)