Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Construct a band diagram for Aluminum and using a band diagram explain why magnesium can be a metal even though its 3s level is full.

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  • 8.20 How many electrons per atom are delocalized in the sea of electrons model for the following metals? (a) iron, (b) vanadium, (c) silver
    Using a band diagram explain why magnesium can be a metal even though its 3s level is full. Please include the diagram and explain it thanks.
    Draw the band structure for graphite (carbon) and explain types of band formed in graphite using band diagram and describe why carbon as graphite is metallic
  • Construct a band diagram for Aluminum. Please give an explanation.
    Austenite form of iron has fcc crystal lattice structure,whereas its alpha form has bcc crystal lattice structure. Assuming closest packed arrangement of iron atoms, what will be the ratio of density of Austenite to that of alpha iron?A. 1:1.088B. 1:1.837C. 1:1D. 1.088:1
    Explain how metallic conductors, semiconductors, and insulators are identified and explain their properties in terms of band theory. Why is graphite an electronic conductor and diamond an insulator?
  • 2. Compare and contrast band theory associated with metals, insulator and semiconductors with figures. Include in your essay the effects of heating and cooling on the solids.
    b) The periodic Table has specific units: Metallic, Semiconductor and Insulator.In your own understanding explain these terminology (i) metal, (ii) semiconductor, (iii) Insulator with respect to band-gap voltage principle. Design practical diagrams to support your answer for each terminology.
    Is Aluminium is commonly deliberately alloyed with iron? Why ?
  • What do Doped semiconductors contain?
    What are n-type semiconductors?
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