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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 energy of second Bhor orbit of the hydrogen atom is -328 kJ mol⁻¹, hence the enregy
- The activation energy of a reaction can be determined from the slope
- Which kind of isomerism is exhibited by octahedral [Co(NH₃)₄Br₂]Cl
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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 energy of second Bhor orbit of the hydrogen atom is -328 kJ mol⁻¹, hence the enregy
- The activation energy of a reaction can be determined from the slope
- Which kind of isomerism is exhibited by octahedral [Co(NH₃)₄Br₂]Cl
- Which of the following equations describe the first law of thermodynamics
- The main product obtained from phenol with PCl₅ 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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