2. What is the coordination number structure formed by most semiconductors and electronic materials (GaAs, CdS)

Q: 03. How can we determine of the band-gap of gemanium from electrical measurements?

A: Band gap of semiconductor like germanium can be determined by the study of the Variation of its…

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

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Q: Account for the relative band gap energies of semiconductors interms of periodic trends?

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Q: Do metallic elements conduct electricity because they have a small band gap energy?

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

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Q: The maximum wavelength of light that a certain silicon photocell can detect is 1.11 μm. (a) What is…

A: The energy difference between the top valence band and bottom of conduction band in terms of…

Q: Analysis shows that a metal oxide has a empirical formula M0.96O. Calculate the percentage of M2+…

A: The percentage of M2+ and M3+ ions in this crystal has to be calculated,

Q: Two solids are shown below. One is a semiconductor andone is an insulator. Which one is which?…

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Q: How Band theory differentiate between semiconductors and semi materials?

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Q: If Na+ ions were to substitute for magnesium ions in MgO, in order to preserve electroneutrality,…

A: Impurity defects are produced in the MgO crystal. Two Na+ ions replaced one Mg2+ ion for…

Q: Identify the following as either p- or n- type semiconductors.(a) germanium doped with arsenic(b)…

A: Answer:- This question is answered by using the simple concept of p- and n- type semiconductors…

Q: Explain what happens when a pure semiconductor made up of Silicon is doped with an Indium atom…

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Q: Discuss the importance of understanding in crystal structure of metal and why different crystal…

A: Topic- Crystal nature of the metals

Q: One of the key components in the manufacture of Portland cement is Ca3SiO5, a compound that is…

A: The general oxidation state of alkaline earth metal is 2+ so oxidation state of Calcium is 2+. The…

Q: sketch a diagram showing the formation of energy levels from the valence orbitals for Li, Li2, Li3,…

A: Diagram showing the formation of energy levels from the valence orbitals for Li, Li2, Li3, Li(n). On…

Q: e coordination number for

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Q: Provide examples of metals with FCC structure and explain briefly why are they categorized as having…

A: We have to tell what type of metals opt for FCC structure

Q: Co, Fe, and Ni are ferromagnetic. What is the difference between ferromagnetic and paramagnetic?

A: Given,Co, Fe, and Ni are ferromagnetic

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: A. Determine the oxidation state of the metal ion in [PdCl4]2− B.Determine the coordination…

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Q: Determine the lattice constant, a (in nm), of a metal conforming to the FCC structure having an…

A: For a FCC lattice the relation between lattice constant (a) and radius of atom (r) is 4r=2a Here…

Q: 2. Compare and contrast band theory associated with metals, insulator and semiconductors with…

A: Interpretation-  To compare and contrast band theory associated with metals, insulator and…

Q: Calculate the number of molecular orbitals present in the valence band of a lithium crystal with a…

A: Given: Mass of lithium crystal = 2.52 g And we know that the molar mass of lithium = 6.941 g/mol

Q: Element A has 4 valence electrons; therefore, it is alan Insulator O Conductor semiconductor none of…

A: Insulators are those which do not conduct electricity. Conductors are those which can easily conduct…

Q: What is semi-conductor?

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

Q: 10. Which of the following is known as indirect band gap semiconductors? Germanium Nickel Platinum

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Q: Define a semiconductor? Describe the two main types of semiconductorswhen it is doped with(a) group…

A: Semiconductors can be defined as the solids having conductivity in between those of conductors and…

Q: Consider the following doping scenarios: I. Si doped with B II. Ge doped with P III. GaAs doped with…

A: Dear student I have given answer to your question in the image format

Q: Would you expect carborundum(SiC) to adopt a diamond structure or one of higher coordination?…

A: Carbon and silicon are the elements of group 14 having 4 valence electrons in its outer most shell.

Q: Draw the band structure for graphite (carbon) and explain types of band formed in graphite using…

A: Graphite: The layered structure of graphite is made up of rings of six carbon atoms organised in…

Q: transition elements have tendency to form many alloys why ?

A: In the periodic table, d-block elements are known as transition elements.  In d-block, all elements…

Q: b) The periodic Table has specific units: Metallic, Semiconductor and Insulator. In your own…

A: This question is based on the periodic table and the different units : Metallic, Semiconductor and…

Q: Why are metals such as Ni and Co economical to mine and use in industrial processes even though they…

A: The major use of metals Co and Ni in industry is due to the reason that they are ferromagnetic in…

Q: Explain how metallic conductors, semiconductors, and insulators are identified and explain their…

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Q: For each of the following pairs of semiconductors, pick which one would have the larger bandgap.…

A: SEMICONDUCTORS: Certain materials which has a conductivity which lies between nonconductors and…

Q: What is the forbidden gap semiconductor? O a. 1 eV O b. 15 eV O c. 2 eV O d. no gap

A: 1) The forbidden energy band gap is the energy difference (in eV) between the top of the conduction…

Q: why Intrinsic Semiconductor materials are the bad conductors of electricity

A: Semiconductor is actually a type of material which has  conductivity in between the conductor and…

Q: Consider the band diagrams below, which of them represents an n-type semi-conductor? A B C D Energy…

A: When a semiconductor is doped with an impurity of group 15 elements, then the number of electrons in…

Q: 3) What is the difference in energy between the valence band and conduction band of electrical…

A: Conduction band is the empty band whereas valence band is the filled electronic band. Valence band…

Q: Titanium Ruthenium Property Electron configuration of element [Ar]4s23d [Kr]5s²4d6 2 Oxidation state…

A: In semiconductors and insulators, electrons are confined to a number of bands of energy, and…

Q: Why do the alkaline earths have low resistivities?

A: Resistivity is the property of a substance that determines how a substance can efficiently resist or…