問題詳情
16.下列何者的價電子數最多？
(A)Mg
(B)Si
(C)As
(D)S
(E)Br。
(A)Mg
(B)Si
(C)As
(D)S
(E)Br。
參考答案
答案：E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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