7. Consider the molecular-orbital energy-level diagrams for O₂ and NO. Which of the following is true?
I. Both molecules are paramagnetic.
II. The bond strength of O₂ is greater than the bond strength of NO.
III. NO is an example of a homonuclear diatomic molecule.
IV. The ionization energy of NO is smaller than the ionization energy of NO⁺.
(A) I only
(B) I and II only
(C) I and IV
(D) II and III
(E) I, II, and IV
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