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