Name a form of non-metal which is good conductor of electricity.

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Solution

Graphite is a form of non-metal which is a good conductor of electricity.
Reason
Graphite has several carbon atoms present in a layered structure where each carbon atom is joined to three other carbon atoms and the fourth valency of carbon is left free, hence the fourth free valence electron helps in the conduction of electricity making graphite a good conductor of electricity.

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Q. Question 30
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous; non-sonorous; non-malleable and are coloured.
(a) Name a lustrous non-metal.
(b) Name a non-metal which exists as a liquid at room temperature.
(c) The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.
(d) Name a non-metal which is known to form the largest number of compounds.
(e) Name a non-metal other than carbon which shows allotropy.
(f) Name a non-metal which is required for combustion.

Name

(a) a soft metal.

(b) a metal which is brittle.

(d) a liquid metal.

(e) a metal which is a poor conductor of electricity.

(f) a non-metal which is a good conductor of electricity.

(g) a liquid non-metal.

(h) the hardest naturally occurring substance.

(i) an inert gas.

Q. Name: a non-metal which is a good conductor of electricity.

Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and coloured. Name the allotropic form of the non-metal which is a good conductor of electricity.

Q. The allotropic form of a non – metal is a good conductor of electricity. Name the allotrope.

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