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The lusture of a metal is due to
Options
(a) its chemical inertness
(b) its high polishing
(c) its high density
(d) presence of free electrons
Correct Answer:
presence of free electrons
Explanation:
The metals lusture is due to presence of mobile electrons in the metals crystals. Under the influence of light, the surface electrons absorb the proton of visible light and then re-emit the absorbed radiation. Therefore the surface of metal shows a shinning appearance.
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following complexes is used to be as an anticancer agent
- The number of primary, secondary and tertiary carbons in 3,4-dimethylheptane
- In which process,fused sodium hydroxide is eletrolysed for extraction of sodium
- Roasting is done in
- Which of the following compounds gives trichloromethane on distilling with
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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