Electron Configuration Online version Match the Electron Configuration with its Elements by Tiffiney Miss 1 Electron Configurations 2 Elements [Ar]3d24s2 [Rn]5f36d17s2 [He]2s22p3 1s22s22p63s23p5 1s1 1s22s22p63s23p64s23d104p65s24d105p66s25d104f146p6 Titanium Uranium Nirtogen Bromine Hydrogen Radon