Lustrous nature of metals — task. Chemistry CBSE Live product, Class 7 (2026-27).

Give short answer to the following question:

1. What makes metals to shine?

Metals have free electrons that reflect light, and giving them a metallic shine
Metals are hard, hence they look shiny
Metals are clean, so they reflect light
Metals does not have free electrons, hence they are shiny

2. A student places a gold ring and a piece of charcoal under sunlight. The gold ring shines brightly. Which property of gold is responsible for this observation?

Ductility
Hardness
Lustre
Malleability

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2. Lustrous nature of metals

Question: