Sketch a diagram to illustrate the band structure of diamond, assuming no defects

Q: Use the figure of band structures to explain why the conductivity of pure metals decreases when…

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Q: What are Liquid Crystals?

A: The solid material whose atoms are arranged in a definite order giving the formation of a lattice…

Q: The band diagram of Copper is: Select one:

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Q: Define the following:(i) F-centre (ii) p-type semiconductor(iii) Ferrimagnetism.

A: (i) In crystals, there exists some defects one of which is anion vacancy defect, an F-center is…

Q: Sodium metal crystallizes in the BCC structure with an edge length of 4.29 x 10 A. The radius of…

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Q: In the process of doping a semiconductor, certain impurities are added to increase the electrical…

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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: Explain the basic principles involved in X-ray crystallography. Include Bragg’s law in your…

A: SOLUTION: Step 1: X-ray crystallography is a method used for determining the atomic and molecular…

Q: How are the properties of high-tech ceramics the same as those of traditional clay ceramics, and how…

A: Ceramics can be found all around us, and they are often manufactured by moulding clay, earthy…

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: Explain how the overlap of atomic orbitals gives rise to bands in metals?

A: A metal is a substance with a lustrous appearance that conducts electricity and heat comparatively…

Q: Metallic calcium crystallized in a face-centered cubic lattice, and the atomic radius of calcium is…

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Q: (b) Sketch the salient features of diamond structure

A: Structure of diamond: The element present in diamond is carbon

Q: Nickel crystallizes in the face-centered cubic (FCC) lattice. The density of the metal is 8902…

A: The face-centered unit cell has an atom in the middle of each face of the cube.The total number of…

Q: . Explain the relationship between the number of bonds that can be formed by a typical atom in a…

A: The structure of the substance is affected by number of bonds in a compound, when the bonds formed…

Q: Which substance has the greatest band gap?a) silicon b) germaniumc) lead d) gold

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Q: Calculate the packing efficiency and density of diamond.

A: This question is from solid state chemistry where we are asked to find a)packing efficiency of…

Q: draw the 2D network structure of crystalline

A: Crystalline lattice is a periodic array of atoms. Examples include diamond, metals, salt etc.

Q: why most minerals have ordered internal lattice structure yet this attribute does not influence…

A: A formal definition of a mineral, as used by geologists would be: A naturally occurring inorganic…

Q: What is the coordination number in: a. SCC b. BCC c. FCC d. HCP

A: Please find your solution below : Coordination number in solid crystal structure is defined as the…

Q: Define the term, Band-Gap?

A: Electrons are present in the orbits around the nucleus. On coming together of two charges together…

Q: What do Doped semiconductors contain?

A: Semiconductors has a conductivity power in between insulators and conductors. The conductivity power…

Q: Platinum crystallizes in the face-centered cubic (FCC) lattice. The a platinum atom. density of the…

A: Given: Density of metal = 21450 Kg/m3 Molar mass of platinum = 195.084 g/mol = 0.195 Kg/mol

Q: Discuss x-ray diffraction method as a method of determining the crystal structures

A: Diffraction  means  bending of waves around corner of  obstacle or through an aperture  in the…

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: Define the following?(i) Crystalline solids (i) Frenkel defects (iii) n-type semiconductor.

A: Solids are made of pure elements or a different variety of compounds. These are hard structures with…

Q: Given: FCC crystal Lattice parameter = 0.512 nm %3D Plane: 1/2 Determine the interplanar distance,…

A: Given data

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

A: The solution is provided in the image below.

Q: Why are metals ductile and ceramics not? Explain

A: The metals are shiny, opaque, and heat and electricity conductor. However, ceramics are inorganic…

Q: Which of those molecules can be considered as a highly aperiodic crystal

A: A crystal which is not having these properties : ideal, sharp diffraction peaks on the positions of…

Q: packing, what is the cell type of CsCl? a. simple cubic b. body-centered cubic c. face-centered…

A: Unit cell is the smallest repeating unit of structure of a crystal.

Q: What is the coordination number of atoms in the diamond structure?

A: A diamond is a precious stone and crystalline form of pure carbon with its arranged atoms.

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

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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: What is a polymorph?

A: Polymorphism is the concept of Material Science which is about the ability of a solid material…

Q: Polymorphism can exist in any crystalline material, not just molecular solids. True or false?…

A: Crystalline solids are those where a long-range order is present in the arrangement of constituent…

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

A: According to M.O theory, atomic orbital are combining to form the molecular orbital.

Q: What are the most common types of polymorphism in crystals?

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Q: The bonds that hold semiconductor atoms together in a crystal are called trivalent bonds. Select…

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Q: Please help me answer the question and kindly show the detailed solution. Thank you! *Magnesium…

A: The density of solid crystalline magnesium has to be calculated.

Q: X. Arrange the following according to decreasing melting point. Explain your answer. A. sodium metal…

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Q: a crystaline solid lacks a definite repeating pattern true or false

A: Crystalline solid has a long range order.