Hello everyoneplease followQ.. what is electronic confrontation?

1.	Hello everyoneplease followQ.. what is electronic confrontation?
Answer» The distribution of electrons into different shells, sub shells and orbitals of an atom is called its electronic CONFIGURATION. ... If one of the 4s electron SHIFTS to the VACANT 3D orbital ,the distribution of the electron will BECOME more symmetrical and this will impart extra stability.

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