問題詳情
21. 如右圖所示，由氯化鈉晶體模型分析，下列結論何者正確？
(A)每個Na+ 被緊鄰4個Cl- 所包圍
(B)對每個Na+ 而言，離它最近的Na+ 共有6個
(C)每個單位晶格中總共含4個Na+ 和4個Cl-
(D) Na+ 與Na+ 的最近距離＝
晶格的邊長，而 r Na+、r Cl- 分別為Na+、Cl- 的離子半徑
(E) Cl- 與Cl- 的最近距離
（單位晶格的邊長） 。 
(A)每個Na+ 被緊鄰4個Cl- 所包圍
(B)對每個Na+ 而言，離它最近的Na+ 共有6個
(C)每個單位晶格中總共含4個Na+ 和4個Cl-
(D) Na+ 與Na+ 的最近距離＝
晶格的邊長，而 r Na+、r Cl- 分別為Na+、Cl- 的離子半徑 (E) Cl- 與Cl- 的最近距離
（單位晶格的邊長） 。
參考答案
答案：C,E
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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