阿摩線上測驗
8. Molecular Orbital theory correctly predicts paramagnetism of oxygen gas, O2. This is because __________.
(A) the bond order in O2 can be shown to be equal to 2.
(B) there are more electrons in the bonding orbitals than in the antibonding orbitals.
(C) the energy of the 
MOs is higher than that of the 
MO.
(D) there are two unpaired electrons in the MO electron configuration of O2.
(E) the O=O bond distance is relatively short.
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統計： A(0), B(1), C(1), D(2), E(0) #2956271
統計： A(0), B(1), C(1), D(2), E(0) #2956271
