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 allotrpic form of a non-metal is a good conductor of electricity . (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.

Non-metals are usually poor conductors of heat and electricity. They a

1.	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 allotrpic form of a non-metal is a good conductor of electricity . (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.
Answer» Solution :(a) GRAPHITE (CARBON) (B) Bromine (c ) Graphite (Carbon) (d) Carbon (E) SILICON (f) Coke (Carbon).