Question

Inner core of electronic configuration meaning

Answer 1

The inner core of electronic configurationrepresents the inner shells or the shells other than valence shells.For example; In the electronic configuration of Al; 1s2 2s22p6 3s2 3p1, the electrons in the 1s and 2s, 2p sub-shell represents the inner coreand the electrons in the 3s and 3p sub-shell are the valence ...