問題詳情

75. A solid has a very high melting point, great hardness, and poor electrical conduction. This is a(n)
________ solid.
(A)ionic
(B)molecular
(C) metallic
(D)covalent network

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增