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From below which is the example of insulators.
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Metallic elements have free electrons on the metallic surface and thus they are extremely good conductors.
Graphite is a good conductor of electricity because its electrons are delocalized or free to move around. Graphite is structured into planes with tightly bound atoms. There is a great deal of distance between planes, and they are bonded weakly together, allowing the electrons to move around.
When a salt is added in water, it dissociates into respective ions and these collect on the cathode and anodes respectively and a current is maintained.
Hence it is a conductor.
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| Question Text | From below which is the example of insulators. |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
