Answer:
The answer to your question is letter C
Explanation:
(A) an ionic solid. These compounds can conduct electricity in solution so this answer is incorrect.
(B) a metallic solid. A metallic compound can conduct electricity in a solid state, this answer is incorrect.
(C) a molecular solid. These compounds have low melting points, low electrical conductivity, etc, so this is the correct answer.
(D) a network covalent solid. These compounds have similar properties to ionic compounds like high melting points. So this answer is incorrect.
