Question

state and explain aufbau principle​

Answer 1

Answer:

According to aufbau principal electrons are place in the increasing order of their energy level

Answer 2

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Aufbau principle

Aufbau is a German word which means building up or construction

Statement : In the building up of atoms the electrons enters into the various orbitals in the increasing order of the their energies

The orbital with the lower energy is filled up first followed by the orbitals of higher energy