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Grade: 11
        
i did not understand aufbau’s principle
4 years ago

Answers : (1)

Sher Mohammad
IIT Delhi
askIITians Faculty
174 Points
							
The Aufbau principle is used to add electrons to orbitals as protons are added to an atom.
The Aufbau principle outlines the rules used to determine how electrons organize into shells and subshells around the atomic nucleus.
Electrons go into the subshell having the lowest possible energy.An orbital can hold at most 2 electrons obeying the Pauli exclusion principle.Electrons obey Hund's rule, which states that electrons spread out before they pair up if there are two or more energetically equivalent orbitals.

Sher Mohammad
faculty askiitians
4 years ago
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