問題詳情
2. 某離子 X3＋之電子組態為 1s22s22p63s23p6，下列有關元素 X 的敘述，何者正確？
(A)元素 X 的原子序為 21
(B)其原子之價電子組態為 4s24p1
(C)元素 X 具有導電性
(D)元素 X 與氯（原子序 17）屬同週期
(E)元素 X 與鋁（原子序 13）屬同族
(A)元素 X 的原子序為 21
(B)其原子之價電子組態為 4s24p1
(C)元素 X 具有導電性
(D)元素 X 與氯（原子序 17）屬同週期
(E)元素 X 與鋁（原子序 13）屬同族
參考答案
答案：A,C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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