CONCEPT:
Metals Have Luster:
- Metals, in their pure state, have a shining surface. This property is called metallic luster.
- All the metals have a luster and shiny property except Lead.
- If we polish metals most of them having a reflecting surface i.e. Gold, Silver, etc.
EXPLANATION:
- When light shines on a lustrous metal, the loosely bound electrons reflect incoming light, giving the metal a shiny appearance. Therefore option 3 is correct.


