Bonding and Electrical Conductivity
The table below summarizes the electrical conductivity of different types of solids.
| Substance Type | Solid Conductivity |
|---|---|
| Ionic | No |
| Molecular Covalent | No |
| Network Covalent | No |
| Metallic | Yes |
Based on this information, which of the following substances does not conduct electricity in its pure solid form due to its chemical bonding?
A
Solid copper, which is a metal and conducts electricity in the solid state
B
Diamond, a network covalent solid with no free electrons for conduction
C
Aqueous NaCl, where ions are free to move and allow electrical conduction
D
Molten sodium chloride, an ionic compound that conducts when molten
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