Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are colored.
(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.


(a) Iodine is a lustrous nonmetal.
(b) Bromine is  a non-metal which exists as a liquid at room temperature.
(c) Graphite is the allotropic form of a non-metal is a good conductor of electricity.
(d) Carbon is non-metal which is known to form the largest number of compounds.
(e) Sulphur and phosphorus also shows allotrpy.
(f) Oxygen is required for combustion.

Updated on: 19-Jan-2023

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