| 11. | A ? * orbital, pi antibonding orbital, will also produce a phase change when rotated about the internuclear axis.
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| 12. | The bond order is equal to the number of bonding electrons minus the number of antibonding electrons, divided by 2.
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| 13. | The three states only differ in the occupancy and spin states of electrons in the two degenerate ? * antibonding orbitals.
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| 14. | The metal donates electrons back from ( a different ) filled d-orbital into the empty ? * antibonding orbital.
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| 15. | If the species shifted antarafacially then it would form an antibonding orbital and there would not be a constructive sigma shift.
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| 16. | The highest energy, partially filled orbitals are antibonding, and so their filling weakens the bond order from three to two.
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| 17. | Sigma bonding has been calculated to show a great antibonding character in the At 2 molecule and is not as favorable energetically.
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| 18. | :: The bonding and corresponding antibonding are in the same general area, not really " separated from each other ".
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| 19. | Due to conservation of orbital symmetry, the bonding orbital ? AS is forced to correlate with the antibonding orbital ? * AS.
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| 20. | :The above sounds good, but I also think that idea of diatomic elements arises from bonding and antibonding of MO theory.
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