A certain solid substance that is very hard,has a high melting point,and is nonconducting unless melted is most likely to be:

Name: A certain solid substance that is very hard,has a high melting point,and is nonconducting unless melted is most likely to be:
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Question

Quizplus · Accepted Answer

NaCl (sodium chloride) is a solid ionic compound that is very hard, has a high melting point, and does not conduct electricity unless it is melted or dissolved in water, allowing its ions to move freely.

A Certain Solid Substance That Is Very Hard,has a High