Which of the following electronic configurati | vedclass

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(C) The stability of an electronic configuration is determined by the symmetry and exchange energy of the orbitals. According to Hund's rule,half-fill

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$3d^5 4s^1$

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(C) The stability of an electronic configuration is determined by the symmetry and exchange energy of the orbitals. According to Hund's rule,half-filled and fully-filled orbitals are more stable due to their symmetrical distribution and higher exchange energy. The configuration $3d^5 4s^1$ represents a half-filled $d$-subshell $(d^5)$,which provides extra stability compared to the other given configurations.

Which of the following electronic configurations is more stable?

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