why most minerals have ordered internal lattice structure yet this attribute does not influence their external form

Q: b) State TWO type of crystal structure, each with ONE example that exist in most common metals.

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Q: - Determine the coordination number for each structure. a. Gold

A: Gold crystallizes in fcc unit cell. FCC stands for the face-centered cubic unit cell. In this unit…

Q: The structure of a mineral is shown below. Element A is green, and Element X is blue. a) Of the…

A: We need to identify the type of unit cell and molecular formula of compound.

Q: In solitary atoms, electrons are free to inhabit only certain, discrete energy states. However, in…

A: In-band theory of solids, there are many energy bands but the following are the three most important…

Q: (ii) Alloys have similar structures to pure metals. Give a labelled diagram that shows the structure…

A: Alloys have been used extensively since many decades and are generally obtained by addition of two…

Q: a) Solid materials may exist in the crystalline form, either as a single crystal or a…

A: Crystalline material -  A crystalline material is that material in which the atoms are situated in a…

Q: Given: Gold has a density of 19.32 g/cm3 , and the atoms are packed in a face-centred cubic crystal…

A: Welcome to bartleby ! We have to calculate radius of gold

Q: number of nearest neighbors

A: A crystal is defined as a material whose constituents(molecules, atoms or ions) are arranged in…

Q: Metallic calcium crystallized in a face-centered cubic lattice, and the atomic radius of calcium is…

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Q: At a certain temperature and pressure an element has the simple body-centred cubic unit cell,…

A: The density of the unit cell is given by the equation is:

Q: What is your favorite unit cell crystal structures? Explain why this is your favorite. You can use…

A: My favorite unit cell crystal structure is SCC or Simple cubic crystal. I like it because it is…

Q: What is a dislocation slip system. determine the number slip systems in FCC and HCP crystal…

A: Answer - dislocation slip system - Slip occurs by the passage of dislocations on close packed planes…

Q: At room temperature and pressure RbI crystallizes with theNaCl-type structure. (a) Use ionic radii…

A: Hello. Since the question has multiple sub-parts, the first three sub-parts shall only be solved in…

Q: Define the term Cubic Crystalline Lattices?

A: A lattice is an ordered array of points describing the arrangement of particles that form a crystal.…

Q: Use the Born-Mayer equation to estimate the lattice enthalpy of calcium sulfide, CaS. The crystal…

A: Given data: The distance between the centers of nearest neighbours (sum of ionic radii r0) = 284 pm…

Q: What is the difference between hexagonal closest packing and cubic closest packing? What are the…

A: Hexagonal Closed Packing In a hexagonal closest packed structure, the third layer has the same…

Q: Iron crystallizes in a bbc structure (cubic structure with centered body). Ferro's atomic radius is…

A: It is given that Iron crystallizes in a bcc lattice, in a bcc lattice atoms are present at the body…

Q: Consider the unit cell diagram shown here.  Choose all the ionic compound formulas that would "work"…

A: Applying concept of counting of atom/ or ions in unit cell. Applying formula= 1/8× no.of atoms at…

Q: A metallic solid with atoms in a face-centered cubic unit cell with an edge length of 392 pm has a…

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Q: Discuss x-ray diffraction method as a method of determining the crystal structures

A: Diffraction  means  bending of waves around corner of  obstacle or through an aperture  in the…

Q: Use sketch diagrams to show the 110 and 211̅ lattice plane for a tetragonal crystal.

A: in this systempresence of  three mutually perpendicular axes, two  are equal in length.   TETRAGONAL…

Q: 1. An ionic compound composed of chromium ions and oxide ions crystallizes into a face-centered…

A: The voids are the empty space form from joining of atoms. In FCC unit cell there are eight corners…

Q: Nickle has a face-centred cubic structure and has a density of 8.90 grams per cubic centimeter. The…

A: The volume of single unit cell of Nickle can be calculated as

Q: Gold crystallizes in the face‑centered cubic (FCC) lattice. The density of the metal is 19320 kg/m3.…

A: For FCC lattice, The density of unit cell = M×ZNa×V where, Density in g/cm3 M is the molecular…

Q: For a ceramic compound, what are the two characteristics of the component ions that determine the…

A: The smallest unit which on repetition gives a crystal lattice is named as a unit cell. The net atoms…

Q: What is a crystalline lattice? How is the lattice represented with the unit cell?

A: Lattice is a collection of lattice points that are arranged in a periodic pattern so that the…

Q: Choose one type of solid ( metallic crystals, ionic crystals, molecular crystals, and covalent…

A: Strength or Hardness: Covalent network crystals are extended lattice compounds in which each atom is…

Q: At room temperature and pressure RbI crystallizes with theNaCl-type structure. (a) Use ionic radii…

A: a. Edge length (a) = f/1.414 = [4r/1.414]/1.414 = [4(2.2 angstroms)/1.414]/(1.414) = 4.4 angstroms…

Q: This is the overall result of the attractive and repulsive forces a crystal contains: A. Lattice…

A: B. Lattice Energy

Q: Calculate the IPF for UO, which has the CaF, structure shown in the figure below F ions located at…

A: The given FCC lattice structure is UO2.  In the FCC lattice cube, the edge length is given as, a.…

Q: It is not possible to pack spheres together without leaving some void spaces between the spheres.…

A: In a face centred cubic lattice, atoms are present on all corners as well as on the centre of all…

Q: packing, what is the cell type of CsCl? a. simple cubic b. body-centered cubic c. face-centered…

A: Unit cell is the smallest repeating unit of structure of a crystal.

Q: <p>Describe why bronze was one of the first alloys that humans used.

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Q: The mineral clausthalite is composed of lead selenide (PbSe). This mineral adopts the NaCl structure…

A: Unit cell can be defined as the repeating unit in crystal structure.

Q: Explain how the co-ordination number affects or determines the stability of a crystal structure

A: Crystalline structure is made up of the uniform structure of well-arranged atoms in a lattice form.…

Q: All of the following statements are true Except: a. The face-centered cubic lattice is identical to…

A: From the given, statements “a” is correct because the number of atoms per unit cell, fraction of…

Q: An unidentified elemental solid has a density of 5.36 g/cm°. As a solid this element adopts a cubic…

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Q: What does the body-centered cubic unit cell consist of?

A: There are 14 Bravais lattices which was shown by the scientist Bravais. Among the 14 bravais…

Q: What is face centered cubic unit cell? What is its significance in the field of engineering and…

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

Q: An oxide of rhenium crystallizes with the unit cell shown here (rhenium =gray; oxygen = red). What…

A: As shown in figure, Re is present at corners and O is present at edge center. Number of Re atoms in…

Q: Please help me answer the question and kindly show the detailed solution. Thank you! *Magnesium…

A: The density of solid crystalline magnesium has to be calculated.

Q: Please help me answer this question, thank you! * A hypothetical alloy has a face-centered cubic…

A: For fcc unit cell: Number of atoms in a unit cell (Z) =4 Density , d = 10470 kg/m3 = 10.470 g/cm3…