How many valence electrons in each?  Neon___ Zinc___ Barium___ Tungsten___

Q: Silicon and germanium are examples of a. insulators O b. semiconductors O c. good conductors O d.…

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Q: ntegrated circuits are composed of very high purity silicon which is doped with small and highly…

A: Given that :N1=6.5 x 1021 atoms/m3   =6.5 x 1021atoms/m3 x 10-6m31 cm3   =6.5 x 1015 atoms/cm3Now,…

Q: Q2 : Calculate the density of the following metals. Atomic radius Atomic weight R (nm) Metal…

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Q: Which of the following elements would you predict to have properties most like those of silicon…

A: Germanium have properties most like silicon.With the reference of periodic table Germanium element…

Q: What prevents a positive and negative ion from having a zero separation

A: A positive ion is formed when an atom loses an electron, while a negative ion is formed when an atom…

Q: The density of silver is 10.5 m 103 kg/ m3. The atomic weight of silver is 107.9. Assuming that each…

A: The density of electrons or electron concentration per m3 is given by the relation n = number of…

Q: Explain with sketch, the atomic and crystal structure of a) Silicon b) Germanium

A: The Atomic and Crystal structure of (a) Silicon (b) Germanium

Q: What is the most common application of zener diode?

A: A diode which designed to operate in break down region and have a negative voltage called zener…

Q: susceptibility

A: Given: The permittivity of the diamond = 1.416 x 10-10 C2m2N-1 Electric susceptibility =?

Q: Find the work done when a Na+ (monovalent) ion moves from a distance of 1mm to the surface ~10 Å

A: Given that: λ=QL=1e1.7Ao=-1.6×10-19 C1.7×10-10 m=-9.41×10-10 C/mFrom here, L=1.7×10-10 mdE=-kdqεrr2…

Q: Which of the following concepts describes substances in which electrons are tightly bound to the…

A: solution as

Q: 25 V 1 R 4.7 ΜΩ

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Q: The number of silicon atoms per m3 is 5 × 1028. This is doped simultaneously with 5 × 1022 atoms per…

A: Given that nI = 1.5 × 1016m–3 Following values are given in the question: Number of silicon atoms, N…

Q: Need help with a design on the carbon separator. The separator that is detailed here works for…

A: The diagram of the carbon separator is as follows,

Q: is an example of a semiconductor material O a. silicon O b. carbon O c. gold O d. silver

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

Q: 17 Silicon is a substance often used in electronic devices. Silicon has a high electrical resistance…

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Q: Curie (Ci) is a unit of: O a) Time constant O b) Conductivity O c) Radioactivity d) Resistivity

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Q: is an example of a semiconductor material O a. silver O b. silicon O c. gold O d. carbon

A: Silicon Silicon is an example of a semiconductor material.

Q: Concerning the laser effect in tissue, vaporization occurs when the cell temperature reaches to * O…

A: The tissue heat up rapidly because of high absorption and high power of the laser.

Q: Write the electron configuration and number of valence electrons for the following atoms: a) Lithium…

A: Required : Electronic configuration and number of valence electrons.

Q: Choose the correct alternative:(a) Alloys of metals usually have (greater/less) resistivity than…

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Q: Most metals, like iron, are corroded easily, discuss why aluminum does not corrode even when exposed…

A: Most metals like iron, copper, even inert metals like silver do corrode when exposed to air for…

Q: What is meant by ‘doping’ in a semiconductor?

A: To start the conduction of semiconductor, doping is necessary. How the semiconductor will conduct…

Q: Silicon is the chief ingredient of both glass and semiconductor devices, yet the physical properties…

A: The physical properties of any material depend upon the bonding between the atoms, order of the…

Q: If you'know that the attraction energy between two adjacent ions of an atom is (-), while the…

A: Bond energy is the amount of energy required to break the atoms in a molecular bond into free atoms,…

Q: In characteristic curve of diode the ID (..........) with increases Temperture.

A: In a diode, when temperature is increased large number of covalent bonds will break down that will…

Q: Sketch the atomic structure of copper and discuss why it is a good conductor and how its structure…

A: Copper is good conductor due to presence of one electron at the outer shell so it conducts easily.…

Q: The base of a transistor is .... Doped A. Lightly В. Неavily C. Moderately D. None of the above В D

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Q: Where is a transistor most likely to be found ? A) Wrist watch B) Fuse C) Hearing aid D) Fluorescent…

A: A transistor is a type of semiconductor device that can be used to both conduct and insulate…

Q: How many atoms are there in FCC? a. 4 b. 2 c. 6 d. 5

A: FCC stands for face centred cubic. In this crystal structure atoms are present at each corner and…

Q: Determine whether each silicon diode in Figure below is forward-biased or reverse- biased. 100 V 10…

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Q: A Kt and a Cl- ion are separated by a distance of 0.52 nm. Find the coulomb component of the binding…

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Q: In materials such as metals, the outer shell electrons are loosely bound to the nuclei of their…

A: It is asked to explain f the loosely bound electrons in the outer shell are responsible to make the…

Q: When a silicon material is doped with Arsenic (As) that has 5 valance electrons, the impurity is…

A: When a small amount of pentavalent  impurity that have 5 valence electron like Arsenic is added to a…

Q: why cadmium always preferred to +2 charge ?

A: Cd having always charge of +2  For reason we have to know about it's electronic configuration.

Q: Which of the following is the reason that metals conduct electricity.   Electrons and protons in…

A: Electricity is nothing but the rate of flow of charge.

Q: In which of the following materials electrons cannot move from one atom to another? a. silver O b.…

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Q: A nondegenerate silicon sample at room temperature with a length of 2 cm is uniformly doped with…

A: nondegenerate silicon sample at room temperature with a length of 2 cm is uniformly doped with boron…

Q: What is the primary difference between a diode and a triode?

A: The primary difference between diode and triode is in their function i.e Diode is an two terminal…

Q: What are the popular methods of forming p-n junction?

A: There are two types of conductors that is p-type (pentavalent element) and n-type (trivalent…

Q: ohm 8ohm 5v 8 ɔhm find eruivalent

A: Given ---- all value given in circuit. We have to find--- current?

Q: An oxygen-16 ion that has gained two valence electrons (anion net charge -2) and has a mass of…

A: Force acting on charged particle q moving with velocity v in a magnetic field B is given by,…

Q: The ionization energy of a carbon atom is 11.26 eV and its electron affinity is 1.26 eV Estimate the…

A: Given the ionization energy of a carbon atom is 11.26 eV and its electron affinity is 1.26 eV. We…

Q: 2. An atom has more electrons than protons. The atom is A) A positive ion. B) A superconductor CA…

A: When atom have more electrons than proton, negative charge arise on the atom because electron is…

Q: Define the term Valence Band?

A: