Question

which non metals show exceptional behaviour ?​

Answer 1

Explanation:

Non-metals are not lustrous, but iodine and graphite are lustrous. Non-metals are usually soft, but diamond is a non-metal which is the hardest natural substance and is also a good conductor of heat.

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Answer 2

Explanation:

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Non-metals are generally bad conductors of electricity but graphite is a good conductor of electricity. Non-metals are not lustrous, but iodine and graphite are lustrous. Non-metals are usually soft, but diamond is a non-metal which is the hardest natural substance and is also a good conductor of heat.