阿摩線上測驗
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
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統計： A(0), B(1), C(0), D(7), E(0) #3180546
統計： A(0), B(1), C(0), D(7), E(0) #3180546
