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40.下列哪些為離子化合物?(A) MgCl₂ (B) H₂S(C) NaF (D) AlCl₃(E) CaO
問題詳情
40.下列哪些為離子化合物?
(A) MgCl₂
(B) H₂S
(C) NaF
(D) AlCl₃
(E) CaO
參考答案
答案:A,C,D,E
難度:
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