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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.
Related Questions: - The ionic radii of isoelectronic species N³⁻, O²⁻ and F⁻ are in the order
- Which of the following group activates the benzene ring most towards electrophili
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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
- The ionic radii of isoelectronic species N³⁻, O²⁻ and F⁻ are in the order
- Which of the following group activates the benzene ring most towards electrophili
- Acidity of diprotic acids in aqueous solutions increases in the order
- Lanthanides and actinides resemble in
- preservative among the following is
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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