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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
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
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)
上一篇 :
15.已知,其中a,b ,c,d ,e 為正整數。若a,b ,c,d ,e 為等比遞增數列,且c − b為一個 10 的倍數的正整數,試求a + b + c =___(15)___。
下一篇 :
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