10. If a molecule demonstrates paramagnetism, then : I. The substance can have both paired and unpaired electrons. II. The bond order is not a whole number. III. It can be determined by drawing a Lewis structure. IV. It must be an ion.
(A)I, II
(B) I, II, IV
(C) II, III
(D) I only
(E) All of the above are correct.

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