Question

What does the Aufbau principle state?

Answer 1

Answer:

The Aufbau Principle states that in the ground state of an atom, an electron enters the orbital with lowest energy first and subsequent electrons are fed in the order of increasing energies. The word 'aufbau' in German means 'building up'. Here, it refers to the filling up of orbitals with electrons.

Answer 2

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HERE IS YOUR ANSWER:-

Aufbau's principle states that the orbitals of an atom are to be filled according to their increasing order of energy.

E.g. 1s,2s,2p,3s,3p,4s,3d,4p.....

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