Aufbau principle
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ruth
What is the diffrence between Aufbau principle and Hund>s rule?
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replied to:  ruth
kgothatso
Replied to:  What is the diffrence between Aufbau principle and Hund>s rule?
With Aufbau principle the electrons enters the orbital with the lowest energy[where n=1,the orbital close to the nucleous], first before occupying the orbital with the high energyies.for Hund's rule when the electrons occupy the degenerates,one electron enters each orbital until the orbitals contains one electron,then with parallel spins the other second electron is added up.
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