Melting gold with other metals makes 10-karat gold. Which term best describes 10-karat gold?

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: It is considered that a solid substance has an orthorhombic structure. Since the edges of the unit…

A: Edges of unit cell: a = 3.50 A b = 4.0 A c = 5.5 A Miller indices of plane for which diffraction is…

Q: What is an interstitial alloy?

A: Mixture of a metal with other element or with another metal forms alloys. These metals are mixed in…

Q: Define the term Interstitial alloys?

A: Alloy is a mixture of more than one metal which has superior properties than any individual metal.…

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: What are Nonoxide Ceramics?

A: Ceramics are minerals which are non-metallic and inorganic in nature. It has huge variety, like…

Q: Germanium in silicon will be p-type or  n-type?

A: P-type semiconductors are those semiconductors in which the doping material used is from Boron…

Q: a) A solid substance is considered to be orthorhombic in nature. Since the edges of the unit cell…

A: The d is the interplanar spacing and it is defined by the spacing between the adjacent planes which…

Q: Using your knowledge in crystal chemistry, explain why Si-Al-rich minerals are found nearer or at…

A:

Q: How do you explain the statement: copper can contain up to 40% Zn and still be single phase?

A:

Q: Why are covalently bonded materials generally less dense than those that are bonded ionically or…

A: Since the case when the bonds are directional, that is they are present in a particular direction…

Q: An element occurs in bcc structure. It has a cell edge length of250 pm. Calculate the molar mass if…

A: Given: Edge length, a = 250 pm = 250*10-10 cm Density = 8 g cm-3 For bcc cell, number of atoms, Z =…

Q: what type of environment will an N atom reside in a natural diamond

A: Diamond is an allotrope of carbon. It is very hard material use for drilling.  Natural diamond is a…

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

A:

Q: A solid is thought to have an orthorhombic structure. Calculate the positions D and 2θ for the plane…

A: Interpretation-  To calculate the position D and 2θ for the plane 111 expected in the diffraction…

Q: What type of annealing process is used to refine and improve the grain structure of ferrous alloys?…

A: Explantion :- The process in which heat treatment process that changes the physical and chemical…

Q: How much dopant is present in 107 kgkg of semiconductor with a dopant concentration of 2.00 ppmppm…

A: Given: Mass of semiconductor = 107 Kg. And the concentration of dopant = 2.00 ppm by mass.

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

A:

Q: 5- Which of the following statement is not a property of metal glasses a. Poor thermal conducting b.…

A: The ability to conduct heat is measured by thermal conductivity. The degree of magnetization of a…

Q: Q.3. Define the following term Frenkel defect, Vitreous clays, Metakaolin, Attrition milling, X-ray…

A: Frenkel defect : A Frenkel defect is a type of point defect in crystalline solids which named after…

Q: Metals, semiconductors, and insulators are distinguished by differences in values, A) conductivity B…

A: Metals are very good conductors of electricity. Insulators are poor conductors of electricity.…

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: explain why diamond is a very hard substance and graphite (e.g. pencil ‘lead’) is very soft.

A: The solution is given below -

Q: Calculate the mass fractions of phases present in an alloy of lead tin with 35% Sn and 65%Pb and at…

A:

Q: a) It is considered that a solid substance has an orthorhombic structure, Since the edges of the…

A:

Q: The basic reason for the extraordinary sparkle of suitably cut diamond is that ?

A: Diamond features a very high index of refraction (about 2.42 compared to about 1.5 for glass). The…

Q: The atomic weight, density, and atomic radius for the two hypothetical alloys are listed in the…

A: Unit cell is the smallest repeating unit of the crystal structure. It is the basic building block of…

Q: Unknown material has atomic packing factor 0.149 and atomic radius 0.115 nm. If the theoretical…

A: Given  atomic packing factor= 0.149 Atomic radius = 0.115 NM Theoretical density = 4.94 g/cm3  To…

Q: What is the arrangement of the Ca2+ ions (white spheres)? (A) BCC (в) FCC с) НСР D SC

A: The lattice given is,

Q: 1- a) Calculate the planar atomic density in atoms per square milimeter for (110) crystal plane in…

A: (a) Solution -

Q: Which part in the figure can be a grating or prism? O A O B OD

A: Instruments for analyzing light and for determining the identity and structure of materials that…

Q: Calculate a value for the atomic radius of a chromium atom with a coordination number of 12 given…

A: Given that the crystal lattice is a bcc-centered cubic. The volume of a unit cell in bcc can be…

Q: Match the following terms to their definition. * Highly Treated Sorption Leaching Soda lime…

A:

Q: 3. Find lattice constant and atomic radius of Silver from the X-Ray spectra for Silver nanoparticles…

A: The important points given in the question are: All the peaks corresponding to Miller planes…

Q: 9. Which of the following statements are correct for ceramic materials? i. They are inorganic…

A: 9.Ceramic materials are inorganic materials consisting of a metal/semimetal and a non metal.…

Q: 9. Amorphous silica, SiO2, has a density of about 2.2 g/cm³, whereas the density of crystalline…

A: Answer - The amorphous material has less density then the crystalline material because the amorphous…

Q: The property of a material that measures the response of the solid to visible light. conductivity B)…

A: There are various properties which are divided among various categories like mechanical property,…

Q: B C Which part in the figure can be a grating or prism? A *中3中。 BC D * O O O O

A: Prism- An optical prism is a transparent optical element with flat, polished surfaces that are…

Q: How do some pairs of metals form alloys with structures that depend on the relative composition of…

A: An alloy is a metallic substance composed of a metal with at least one other metal metal or…

Q: 4. Compare and contrast SC, BCC, FCC and HCP in terms of coordination number, number of atoms per…

A:

Q: How do the appearances of metals, semiconductors and insulators differ? Why?

A: A question based on conductivity property, which is to be accomplished.

Q: (iii) Explain what packaging density is. Calculate the packaging density of the FCC and BCC…

A:

Q: Knowing that the crystal spacing of the monochromator  [Topaz crystal (303) ] has an interplanar…

A:

Q: Which liquid samples: Heated or unheated magma (=honey) has the lowest viscosity and the highest…

A: Viscosity is inversely proportional to fluidity. It is the ability of a liquid to resist flow. Magma…

Q: 3.15 The atomic weight, density, and atomic radius for O three hypothetical alloys are listed in the…

A: Solution -