Distinguish the gap between conduction band and valence band for metallic conductor and insulator. Explain how metal conducts electricity based on the movement of electron between these bands.

Q: (a) What change occurs when AgCl is doped with CdCl2?(b) What type of semiconductor is produced when…

A: The small gap in valance band and conduction band in semiconductors lead to jumping of electrons…

Q: The band gap for the elemental semiconductor silicon is 1.11 eV. That energy corresponds to what…

A: The band gap energy can be defined as the minimum amount of energy needed by an electron to break…

Q: Predict the effect (if any) of an increase in temperature on the electrical conductivity of (a) a…

A: Conductor: It passes the current. There is no energy space between valence band and conduction…

Q: In a semiconductor, the bonding molecular orbitals that contain electrons are referred to as the…

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Q: The band gap for the elemental semiconductor silicon is 1.11 eV. That energy corresponds to what…

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Q: Justify that Glass is an insulating material.

A: Conducting material : The materials which conduct electricity when electricity is passed through it,…

Q: What type of a material would have a small forbidden band gap ? alkaline earth metal metal…

A: The answer to the given question is as follows------- The forbidden band gap is the difference…

Q: Choose the options that would form a p-type semiconductor.  Choose all that would make a p-type…

A: When a trivalent element impurity (less valent) dopped with tetravalent (or more valent)…

Q: Identify the valence band, conduction band, and band gap,for semiconductors and insulator?

A: Valence band Conduction band Semiconductor and insulator

Q: Explain the terms : (a) Intrinsic semiconductor (b) Extrinsic semiconductor.

A: Intrinsic semiconductor: Naturally occurring property of pure material, the number of electrons in…

Q: Briefly describe the significance of anion gap?

A: We have to tell the significance of anion gap.

Q: In band theory of bonding for solids, what is a band gap? How does the band gap differ in metals,…

A: Band-In molecular orbitals of an atom the set of closely discrete energy levels is called as band.…

Q: Indicate whether each statement is true or false:(a) The band gap of a semiconductor decreases as…

A: FALSE, As the particle size decreases, band gap of semiconductor increases.

Q: Which is not likely to lead to an increase in electrical conductivity?a. Increasing the temperature…

A: The band gap is the energy difference between the conduction band and valence band.

Q: Indicate if each solid forms an n-type or a p-type semiconductor.a. silicon doped with galliumb.…

A: a.

Q: There are four different types of band structures at 0 K. Among them, two are typified in metals,…

A: The solution is given below -

Q: A substance has a band gap of 6.9 eV at 273 K. Is this substance best classified as an insulator, a…

A: In metals, two bands are continuous in terms of energy, so there is no band gap. In insulators, the…

Q: Discuss the reasons for the observation of dominant covalent bonding (but not ionic bonding) in…

A: The interaction present between the atoms and binds them together is known as the bonding. There are…

Q: band gap on insulator i understand the band gap difference between conductor, insulator, and…

A: From the given data we are going to answer why there is a large energy gap in insulators.

Q: Describe the Heat conductibility and Brittleness of Metallic Crystals, Ionic Crystals, Molecular…

A: Solids (crystals) are of four types: Metallic crystals Ionic crystals Molecular crystals Covalent…

Q: What is semi-conductor?

A: Conductors are those substances which allow the flow of heat and electricity through them while…

Q: @ How many atoms will fit within an FCC unit cell if the lattice constant is =2.86x10^(-10) m…

A: In FCC unit cell, atoms are arranged at the corner of cube and at the center of the face of cube. In…

Q: What type of semiconductor is prepared by doping Ga into Si? A) p-type B) n-type C) intrinsic D)…

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Q: In the process of doping a semiconductor, certain impuri-ties are added to increase its electrical…

A: In semiconductors, the gap between the valence band (VB), and the conduction band (CB), is small.…

Q: Which of these element would convert pure silicon into a n-type semiconductor upon doping? a.…

A: n-type semiconductor is a type of extrinsic semiconductor in which pure semiconductor material such…

Q: A semiconductor has wide energy gap and requires less energy to move an electron from the valence…

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Q: Which element produces a p-type semiconductor when doped into silicon?

A: Semiconductors are the materials that have a conductivity that lies between the conductors and…

Q: In band theory of bonding for solids, what is a band gap?

A: Band gap is the energy gap between valence band and conduction band. On the basis of band gap we can…

Q: Construct a band diagram for Aluminum. Please give an explanation.

A: In 1927, Walter Heitler and Fritz London discovered bands. Bands are very closely spaced orbitals…

Q: A sample of silicon doped with antimony is an n-type semiconductor. Suppose a small amount of…

A: Si has 4 valence electrons as it is an IVA group element. . If Si is doped with antimony (Sb), an…

Q: What is the difference between an n-type semiconductor and a p-type semiconductor?

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Q: In-band theory of bonding for solids, what is a bandgap? How does the bandgap differ in metals,…

A: The set of closely discrete energy levels of molecular orbitals is called band. Band that is…

Q: In-band theory of bonding for solids, what is a band? What is the difference between the valence…

A: In solids it was found that even after having same molecular structure and same property, they show…

Q: Classify each of the following as a conductor, insulator, or semiconductor: (a) carbon (graphite);…

A: Conductors are those that allow the charge to pass through them while insulators don't allow the…

Q: Silicon carbide (SiC) is an example of what type of solid? molecular covalent network ionic…

A: We have to find out nature silicon carbide

Q: 1. Estimate at what temperature silicon tends to be as electrically conductive as diamond at room…

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Q: Electrons in a semiconductor can be excited from the valence band to the conduction band through the…

A: In semiconductors, the gap between the valence band (VB), and the conduction band (CB), is small.…

Q: Write  few  lines on any  two types of   Metals  structure ( unit cells )  with    aid  of diagram

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Q: Which type of semiconductor (e.g., n-type or p-type) is each of the following systems likely to be?…

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Q: A substance has a band gap of 0.85 eV at 273 K. Is this substance best classified as an insulator, a…

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Q: In-band theory of bonding for solids, what is a bandgap?

A: The band theory of bonding for solid signifies the quantum state of that electron present inside the…

Q: greatest wavelength

A: wavelength(nm) =  1240.8 / Energy(ev)   wavelength = 1240.8 / 2.4                      = 517 nm

Q: Use the band model to explain how it is possible for some materials to undergo a…

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Q: Why materials with a high melting point have a high modulus of elasticity and low thermal expansion?

A: Melting point is defined as the temperature at which the solid and liquid forms of a pure substance…

Q: What is the energy gap in band theory? Compare its size in superconductors, conductors,…

A: The lower occupied molecular orbital is known as valence band and higher unoccupied molecular…