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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
- An aqueous solution of glucose is 10% in strength. The volume in which 1g mole
- Baking soda or baking powder is
- The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy
- In which of the following pairs, both the species are not isostructural ?
- Ethyl chloride on heating with AgCN forms a compound X.The functional isomer of
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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