metals and non metals

• Metals have high electrical conductivity, allowing them to easily conduct electricity.
• duralium contains aluminium copper manganese and magnesium
• deficiency of iodine is called goitre
• most abundant non metal in earths crust is oxygen
• pure gold is 24 carat and is most malleable
• i wire of 2km length can be drawn with a gram of gold
• graphite is a crystalline form of carbon
• a non metal which is liquid at room tmperature is bromide
• non metal that is good conductor of heat and electricity is graphite(carbon)
• a metal that is as precious as gold is platinum
• a non metal that is used for cancer threapy is radon