Dear friend,
Non-metals are the elements/substances that contain the least number of metallic properties. I agree that very few non-metals (but even they are allotropes of them) possess some of the properties like good conductivity, hardness and lustre. But the properties that you have mentioned (malleability, ductility and sonority) are not yet found in any non-metal. Thus, we can say that none of the non-metals is malleable, ductile or sonorous.
Non-metals are the elements/substances that contain the least number of metallic properties. I agree that very few non-metals (but even they are allotropes of them) possess some of the properties like good conductivity, hardness and lustre. But the properties that you have mentioned (malleability, ductility and sonority) are not yet found in any non-metal. Thus, we can say that none of the non-metals is malleable, ductile or sonorous.
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Non-metals are the elements/substances that contain the least number of metallic properties. I agree that very few non-metals (but even they are allotropes of them) possess some of the properties like good conductivity, hardness and lustre. But the properties that you have mentioned (malleability, ductility and sonority) are not yet found in any non-metal. Thus, we can say that none of the non-metals is malleable, ductile or sonorous.
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