Question

Atoms with half-filled and completely filled orbitals have extra stability, why?

Answer 1

Answer:

The half - filled and fully filled orbitals are more symmertricals than any other configuration and symmertry leads to greater stability. The electrons present in the different orbitals of the same sub-shell can exchange their position. Each such exchange leads to the decrease in energy know as Exchange Energy.

Explanation:

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Answer 2

Explanation:

The half-filled and fully-filled orbitals are more symmetrical than any other configuration and symmetry leads to greater stability. The electrons present in the different orbitals of the same sub-shell can exchange their positions. Each such exchange leads to the decrease in energy known as Exchange Energy.