A certain crystalline substance that has a low melting point does not conduct electricity in solution or when melted. This substance is likely to be a covalent network solid A a metallic solid B a polymer C an ionic solid D a molecular solid

Ibelieve the answer 4 moles

Polyethylene is a strong synthetic polymer that can be used to make toys and bottles. polyethylene is a plastic material called thermoplastic. one very useful property of thermoplastic is that when it is heated it turns into liquid, which can be molded into desired shape and size. also the material do not dissolve at room temperature.

Ive had this before. your answer would be d. hope this ya