The following represents the electronic configuration and its associated term symbol for the ground state neutral gaseous atom. The configuration associated with indium in its compounds is not necessarily the same.
Ground state electron configuration: [Kr].4d10.5s2.5p1
Shell structure: 2.8.18.18.3
Term symbol:2P1/2
The image below is a schematic representation of the shell structure of indium - not what the atom of indium "looks like".
