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

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?