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How to know that elements are metal or nonmetal

Answer»

re different physical and CHEMICAL methods for indentifying a metal and a non metal.While metals are good CONDUCTORS of electricity and heat, non-metals are poor conductors. Unlike non-metals, metals are ductile, which means they can be stretched into WIRES. Another DIFFERENCE between metals and non-metals, is that the former has a metallic luster, while the other does not.



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