What is semi-conductor?

Q: Draw the structures of manganate and permanganate ions and predict their magnetic character.

A: Draw the structures of manganate and permanganate ions and predict their magnetic character.

Q: 2. What is the coordination number structure formed by most semiconductors and electronic materials…

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

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

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

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Q: Explain why water has a nonzero electrical conductivity even in the absence of impurities. Write…

A: Electrical conductivity: Electrical conductivity of any solution is defined as by saying that…

Q: Which element is a liquid at 758 K and standard pressure? A) Gold B) Silver C) Platinum D) thallium

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Q: explain why graphite is a good solid lubricant

A: Why graphite is a good solid lubricant ?

Q: Diffusion does not have an effect on______. a) Doping in semiconductors b) Production of alloys c)…

A: Diffusion doesn't not have an effect on heat treatment of metals .  In production of alloy the metal…

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: Alloys have numerous advantages in industrial applications. Which combination of metals is…

A: A metallic substance composed of two or more metals is alloy. Here we have to tell which metals…

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

A: Topic- Crystal nature of the metals

Q: Explain why diamond is harder than graphite and why is graphite an electrical conduct but diamond is…

A: Carbon has two main allotropic forms - diamond and graphite. These both Allotropes contain Covalent…

Q: Classify as n-type or p-type a semiconductor formedby doping {a) germanium w ith phosphorus. {b)…

A: Semiconductors are defines as those materials whose conductivity is greater than insulators while…

Q: What do granite and basalt have in common?

A: Granite and Basalt are two of the major rocks found in the earth crust.

Q: what are p type and n type semiconductors?

A: p-type semiconductor:  A dopant with lesser electrons than its host forms a narrow band that gets…

Q: What advantage doesPortland concrete have for building compared to the construction methods that…

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Q: arsenic is a suitable element for doping a pure semiconductor and convert it into an accept True or…

A: Doping is the process of adding impurities to intrinsic semiconductors to alter their properties.…

Q: TRUE OR FALSE: Metals at the lower position in the Ellingham diagram (ex: Aluminum Magnesium and…

A: Statement : Metals at lower position in the Ellingham diagram , are not stable and easily forms…

Q: what is the type of linkage below? is it reducing or non reducing?

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Q: se molecular orbital band diagrams to explain why metals are good conductors but semiconductors are…

A: Introduction: We have to explain metals are good conductors but semiconductors are not. Molecular…

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: How do atomic radius ratios relate to strength in alloys?

A: The smaller the atomic radius, the more influence the nucleus has on reactivity. Since the nucleus…

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

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Q: Classify as n-type or p-type a semiconductor formed by doping (a) germanium with phosphorus, (b)…

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Q: What are semi-conductors?

A: Conductors are those substances which allow heat or electricity to pass through it while insulators…

Q: Steel is an example of interstitial alloy .A ionic solid .B molecular solid.C substitutional alloy.D…

A: Alloy is a compound made up of combining two or more metallic elements. Steel is an alloy made up of…

Q: 16 1) What type of solid alloys are formed when a small atom occupies the holes within the lattice…

A: Solid alloys formed when small atom occupy the hole within the lattice of the metal ...?

Q: explain why graphite can be used as a lubricant

A: Lubricants are the substances or compounds which are used to reduce friction between two movable…

Q: Discuss the dependence of strength on temperature for metals, ceramics and polymers from the…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Distinguish the gap between conduction band and valence band for metallic conductor and insulator.…

A: The conductivity of a material depends upon the gap between the valence band and conduction band.…

Q: How can the conductivity of semi-conductors be controlled?

A: The conductivity of semiconductors may easily be modified by introducing impurities into their…

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

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Q: Why is graphite soft lubricant and good conductor of electricity?

A: Graphite is a non metal having two dimensional sheet like structure where each carbon atom uses sp2…

Q: Is gallium-doped germanium a p-type or n-type semiconductor?

A: Gallium-doped germanium is a p-type semiconductor.

Q: se the tabe below to classity ea Wte a one-sentence summary for each describes the physical…

A: Metal easily losses its electron to form noble gas configuration and non metal easily accepts…

Q: B: Define the coordination number and its value for BCC unit cell.

A: BCC: body centred Cubic unit cell.  The structure and coordination number explained below.…

Q: The strength of an electromagnet can be controlled. O True O False

A: Electromagnets can be turned on or off and their strength can be changed by controlling the electric…

Q: How does the band gap differ in metals, semiconductors, andinsulators?

A: Band gap is the energy gap between conduction band and valence band. In metals, the band gap between…