試卷名稱:111年 - 111-1 國立嘉義女子高級中學教師甄選初試試題:化學科#109021
年份:111年
科目:教甄◆化學專業/化工科
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.