The properties of several unknown solids were measured. solid melting point other properties a 1000 ‘c does not conduct electricity
The properties of several unknown solids were measured, and the following observations were made:
- Solid A: Melting point of 1000 °C; does not conduct electricity.
- Solid B: Melting point of 850 °C; conducts electricity in the liquid state, but not in the solid state.
- Solid C: Melting point of 750 °C; conducts electricity in the solid state.
- Solid D: Melting point of 150 °C; does not conduct electricity.
Based on these properties, classify these solids into the following categories: ionic, molecular, metallic, and covalent (also known as covalent network solids or macromolecular solids).
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