A solid has a very high melting point,is hard,and in the molten state is a non-conductor.The solid is most likely

Name: A solid has a very high melting point,is hard,and in the molten state is a non-conductor.The solid is most likely
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Covalent network solids, such as diamond or graphite, have very high melting points and are hard due to strong covalent bonds between atoms. They are also non-conductors in the molten state because there are no free ions or electrons to conduct electricity.

A Solid Has a Very High Melting Point,is Hard,and in the Molten