Question

use the building up principle to obtain the electron configuration of the ground state of nickel

Answer 1

The Aufbau principal is also called as building up principle.

The Autbau priniple r a lso called a building up prinuiple stal that eleutwns fills the athomic bital fhe hishert a fem th lowest at atm. nstali u For ozauple, eluons will fil up in 2s Subshell before 3s 0cupied Nicuel has a8 e leuhons, cund al tui elehn fill m the Subsuell i inas e 1mslali niuul has d eleutroe enfiquahon Eletme onhnahn [Ar] 4s 3d is 22p 3p 4s 3d 2. This is the inreaine rdle of ahme osbitals