What are semi-conductors?

Q: Which of the following alloys does not contain copper?           (A) Bronze          (B) Pewter…

A: Bronze = copper + tin  Pewter = Tin + antimony + copper  Sterling silver = silver + usually copper

Q: Explain the following terms with one example each :(a) Ferrimagnetism…

A: a) Ferrimagnetism It is a property of a substance in which its magnetic moments of the domains are…

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

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Q: Which materials are best suited for discharging excess static charge on your clothing during winter,…

A: Since we know that  a conductor are the materials which allows electrons to move freely  where as an…

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

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Q: Discuss the conductivity of copper and zinc metals by drawing figures according to molecular orbital…

A: Highest occupied molecular orbital(HOMO) having electrons combined to form valence band and lowest…

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: Would any of these conduct electricity in the solid form? Explain

A: Electrochemistry is study of movements of electrons from an electrolyte to generate electricity.…

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: 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: Why are metals generally lustrous?

A: The general definition of the metals can be done as the elements that have tendency to lose…

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

A: Topic- Crystal nature of the metals

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: what is liquid junction potential ?

A: When two different concentrations of electrolyte solution come in contact forms liquid junction…

Q: How does the doping increase the conductivity of semiconductors?

A: Conductivity of semiconductors:When a certain amount of suitable impurity or doping is added, the…

Q: draw the 2D network structure of crystalline

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

Q: alloys are prepared with a view to impart some desirable properties. what are these properties?

A: The mixture of two or more elements present in a fixed composition in which major component is metal…

Q: Variable electrovalency is shown by which block elements?

A: The distribution of electrons in atomic or molecular orbitals of an atom or of a molecule is known…

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: Compare the conduction of heat in wood versus metal.

A: Thermodynamic is the study which deals with the transfer of heat. The ability of a substance to…

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

A:

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: How is electrolytic conductance measured experimentally?

A: Given term,      Electrolytic conductance

Q: How does the conversion of sunlight into into electric current occurs when light falls on a photo…

A: Electrical energy can be produced using solar energy.

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: Direct currents are uniform and have uniform voltage. O True O False

A: True

Q: PdB0.15 is a which type alloy

A: In substitutional alloy some of the atoms composing the metallic crystals aresubstituted with atoms…

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: 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: What is the meaning of magnetic susceptibility, orbital motion, ferromagnetism and…

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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: Describe the formation of N-type semiconductor.

A: Kindly get the answer given below.

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: what are semi-conductors ? give examples.

A: Semiconductors are poorer electric conductors than metals but better conductors than non metals. Ex.…

Q: Specific conductance is expressed in terms of Ohm- cm .a Ohm/cm .b O Ohm.cm .c O Ohm- cm1 .d O

A:

Q: Explain how doping can increase the conductivity of a semiconductor.

A: Conductivity is due to the mobility of electrons; therefore, conductivity can be increased by…

Q: Explain about passivation in metals

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Q: Definition of cell electrically?

A: In this question, the definition of a cell has to be provided. An electric cell is defined as a…