Chromium Powder | AMERICAN ELEMENTS
Chromium (atomic symbol: Cr, atomic number: 24) is a Block D, Group 6, Period 4 element with an atomic weight of The number of electrons in each of Chromium's shells is 2, 8, 13, 1 and its electron configuration is [Ar] 3d 5 4s 1. Louis Nicolas Vauquelin first discovered chromium in 1797 and first isolated it the following year.