Non metal are usually poor conductor of hart and electricity . The are non -lustourous,non-sonours,non-malleable and are coloure
d 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
The density of Interstellar dust is very low,yet it still blocks starlight because. .....the Dust emission nebulae like M42 occur only near star that emit large amount of. ......Hydrogen is the major gas in the interstellar medium.