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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: - Copper occurs naturally as Cu-63 and Cu-65. Given Atomic Weight
- For which one of the following sets of four quantum numbers, an electron will have
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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
- Copper occurs naturally as Cu-63 and Cu-65. Given Atomic Weight
- For which one of the following sets of four quantum numbers, an electron will have
- One mole of magnesium nitride on reaction with excess of water gives
- In Cr₂O₇²⁻ the oxidation numbers are
- The compounds CHCl₃ and HF lead to the formation of a compound of fluorine
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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