Concept explainers
(a)
Interpretation:
The MO diagram of semiconductor should be drawn.
Concept introduction:
According to band theory, solids are classified as conductors, semiconductors, and insulators.
As per band theory, Bands are continuum of energy levels. The bands are of two types: valence band and conduction band.
Valence band is the band that holds valence electrons and conduction band is the band which is slightly higher in energy than valence band. On the basis of band theory, a partly filled band shows conduction and fully filled band doesn’t show conduction.
(b)
Interpretation:
The MO diagram of conductor should be drawn. The reason for the lower electrical conductivity of semiconductors should be explained.
Concept introduction:
According to band theory, solids are classified as conductors, semiconductors, and insulators.
As per band theory, Bands are continuum of energy levels. The bands are of two types: valence band and conduction band.
Valence band is the band that holds valence electrons and conduction band is the band which is slightly higher in energy than valence band. On the basis of band theory, a partly filled band shows conduction and fully filled band doesn’t show conduction.
Want to see the full answer?
Check out a sample textbook solutionChapter 12 Solutions
CHEMISTRY-MASTERINGCHEMISTRY W/ETEXT
- Part II. Identify whether the two protons in blue are homotopic, enantiopic, diasteriotopic, or heterotopic. a) HO b) Bri H HH c) d) H H H Br 0arrow_forwardNonearrow_forwardChoose the option that is decreasing from biggest to smallest. Group of answer choices: 100 m, 10000 mm, 100 cm, 100000 um, 10000000 nm 10000000 nm, 100000 um, 100 cm, 10000 mm, 100 m 10000000 nm, 100000 um, 10000 mm, 100 cm, 100 m 100 m, 100 cm, 10000 mm, 100000 um, 10000000 nmarrow_forward
- Q1. (a) Draw equations for homolytic and heterolytic cleavages of the N-H bond in NH3. Use curved arrows to show the electron movement. (b) Draw equations for homolytic and heterolytic cleavages of the N-H bond in NH4*. Use curved arrows to show the electron movement.arrow_forwardWhich is NOT the typical size of a bacteria? 1000 nm 0.001 mm 0.01 mm 1 umarrow_forwardNonearrow_forward
- Show work. don't give Ai generated solutionarrow_forwardPart II. count the expected number of signals in the 1H-NMR spectrum of these compounds HO 0 одев * Cl -cl "D"arrow_forwardPart I. Create a splitting tree diagram to predict the multiplet pattern of proton Hb in the compound below: 3 (Assume that "Jab >>> ³JbC) Ha Hb He он Ha NH2 Ha HCarrow_forward
- Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning