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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: - Which of the following is a Lewis acid
- For vaporization of water at 1 atmospheric pressure, the values of ΔH and ΔS
- The shape of cuprammonium ion is
- Which is not the property transition elements
- 1.0g of magnesium is burnt with 0.56 g O₂ in a closed vessel
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 is a Lewis acid
- For vaporization of water at 1 atmospheric pressure, the values of ΔH and ΔS
- The shape of cuprammonium ion is
- Which is not the property transition elements
- 1.0g of magnesium is burnt with 0.56 g O₂ in a closed vessel
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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