1.

Distinguish between the physical properties of metals and nonmetals with respect to the point : Lustre

Answer»

Solution :Lustre: Metals usually have a HIGH lustre (CALLED METALLIC justre). They can be polished to give a highly reflective surface. With the exceptions of GOLD and COPPER, metals usually have silvery grey colour. Nonmetals lack lustre, exceptions : grphite and iodine. Some nonmetals are colourless and others possess a variety of colours.


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