Appearance and hardness of materials and discuss.
the following terms:-
(i) Shiny appearance or lustre.
(ii) Objects with examples.
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(i) Light reflects, or bounces off, these outer electrons. This makes the metal appear shiny. This shiny appearance on the surface of some metals is called luster.
(ii) anything that is visible or tangible and is relatively stable in form. a thing, person, or matter to which thought or action is directed
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