How many unpaired electrons are in the ground state electron configuration for Mn?
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Answer:
The number of electrons is 25, or 7 more than Ar. Then the configuration is: [Ar] 4s^2 3d^5. Because half filled orbitals are stable, there are 5 unpaired electrons in the 3d orbitals.
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Other answers
The number of electrons is 25, or 7 more than Ar. Then the configuration is: [Ar] 4s^2 3d^5. Because half filled orbitals are stable, there are 5 unpaired electrons in the 3d orbitals.
Monster
Mn 25 1S^2 2S^2 2P^6 3S^2 3P^6 4S^2 3d^5 5 unpaired electrons
Mn 25 1S^2 2S^2 2P^6 3S^2 3P^6 4S^2 3d^5 5 unpaired electrons
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