Non metal are usually poor conductor of hart and electricity . The are non -lustourous,non-sonours,non-malleable and are coloured 1. Name a non-malleable 2. Name a non-matal which exist as a liquid at room temperature 3. The allotropic form a non-matal which is good conductor of of electricity . Name the allotrope 4. Name a non -metal other than carbon which shows allotropy 5 . Name a non -metal which is know to form the largest number of compounds 6. Name a non-metal which is required for combustion