b) The periodic Table has specific units: Metallic, Semiconductor and Insulator. In your own understanding explain these terminology (i) metal, (ii) semiconductor, (iii) Insulator with respect to band-gap voltage principle. Design practical diagrams to support your answer for each terminology.

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: The first LEDs were made from GaAs, which has a bandgap of 1.43 eV. What wavelength of light would…

A: Unit of energy is converted as follows,

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

A:

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

A: Semiconductors are materials which have a conductivity between conductors (generally metals) and…

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

A:

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

A: Valence band Conduction band Semiconductor and insulator

Q: Briefly describe the significance of anion gap?

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

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: Illustrate semiconductor based on Band Theory of Metal.

A: Semiconductors are the one that have conductivity less than conductors but more than that of…

Q: What is band broadening? Explain the phenomenon of eddy diffusion.

A: These are terms with reference to chromatography:

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: 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: How may the conductivity of an intrinsic semiconductor be increased?

A: The intrinsic semiconductor is a type of semiconductor which is pure semiconductor, which has no…

Q: what is liquid junction potential ?

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

Q: 2. Shown below is a chart of the carrier concentration in three intrinsic semiconductors (Si, Ge,…

A:

Q: the donor ConCentration Concentration is the acceptor the resulting Semiconductor would be the…

A: Calculate the donor and acceptor concentrations in the semiconductor.  The concentration of the…

Q: What is semi-conductor?

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

Q: Explain the process of making an n -type and p -type semiconductor materials

A: p -type semiconductor : When a semiconductor ( Ge or Si ) is doped with electron deficient impurity…

Q: Which would you expect to be the more ductile element,(a) Ag or Mo, (b) Zn or Si? In each case…

A: Silver is a more ductile element than molybdenum. Ag has more valence electrons which makes the…

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: (d) Doping can be used to increase conductivity of the substances, explain with examples. What are…

A: Doping increases the conductivity as follows.

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

A:

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

A:

Q: The band gap energy of semiconductor LED is 3.0ev What is the wavelength of maximum corresponding…

A: Wavelength can be calculated using the given equation: E =  hcλ

Q: Indicate whether this statement is true or false:If you want a semiconductor that emits blue light,…

A: Conductors are the substance, which can conduct the electricity whereas insulators are the…

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: explain the properties of zinc? zinc can conduct current or not?

A: Zinc is a blue-grey, metallic element with the symbol Zn and atomic number 30. it has a blue-silvery…

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: Sketch [0110] and [2243] in an HCP unit cell.

A: Solution: We will draw a hexagonal unit cell with ruled co-ordinate system as follows: Point O is…

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

A:

Q: (b) Shown below are two schematic band diagrams for silicon. Answer the following questions: (i) For…

A: A doped semiconductor is the one in which certain impurities are added to increase the conducting…

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: What are the main differences between Diamagnetic and Paramagnetic materials?

A: Diagmagnetic substances have zero unpaired electron and paramagnetic materials contain unpaired…

Q: Is Aluminium is commonly deliberately alloyed with iron? Why ?

A: Ans: we have to give tha answer that why aluminium is alloyed with iron ??

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…

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

A: Band gap refers to the distance between the valence band and conduction band. It represents the…