Question

example of aufabau's principal​

Answer 1

Hey mate...

The aufbau principle states that in the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels. For example, the 1s shell is filled before the 2s subshell is occupied. ... Aufbau is a German noun that means construction or "building-up".

Answer 2

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$\huge\mathfrak{Follow \ To \ Karo}$

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AUFBAU PRINCIPLE = orbitals are filled in the order of increasing energy.

Two general rules help us to predict electronic configuration.

1. Electrons are assigned to orbitals in order of increasing value of ( n + l).

2. For sub shells with the same value of (n+ l) , are assigned first to the sub shell with lower 'n'.

ASCENDING ORDER OF ENERGIES OF VARIOUS ATOMIC ORBITALS IS GIVEN BELOW:

1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s < 4d < 5p < 6s < 4f < 5d < 6p < 7s < 5f < 6d< 7p < 8s.... .