問題詳情

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

參考答案