Cr3+ Electron Configuration - How To Discuss Amelia Brooks | May 15, 2026 Cr3+ Electron ConfigurationWhat is the electronic configuration of Cr3 +? 3I can't even imagine what it should be like. I have [Ar] 4 s The electron configuration of Cr atom (24) is 1s2 2s2 2p6 3s2 3p6 4s1 3d5 (half full) and Cr3 + [Ar] 3d3.Cr3+ Electron Configuration