14. Which of the following are paramagnetic?
 O2 O2– O22– B2 C2 N2 F2 P2
(A) O2, O22– , B2 
(B) O2–, C2, N2 
(C) B2, F2, P2 
(D) O22–, N2, F2 
(E) O2, O2–, B2

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統計： A(3), B(2), C(0), D(3), E(37) #2344892