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 non-metals other than carbon which show allotropy.(f) Name a non-metal which is required for combustion.

Harshit Singh , 3 Years ago

Grade 12th pass