Question

What is inner core of electronic configuration?

Please answer as soon as possible

Answer 1

❤see in the given pic their is your answer

Answer 2

The inner core of electronic configuration represents 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 core and the electrons in the 3s and 3p sub-shell are the valence electrons.