Question #c92c5

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Kathryn Bell
Jan 18, 2018

Electronic orbitals are filled from the lowest energy orbital to the highest energy orbital

Explanation:

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.

https://en.wikipedia.org/wiki/Aufbau_principle

The electronic configuration of silicon is an example of this, because the orbitals are filled from lowest energy to higher energy.

i.e. 1s < 2s < 2p < 3s < 3p

3p is the highest energy orbital and we can see that all of the lower energy orbitals have completely filled before it is occupied by the remaining two electrons.

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