The unit cell of an intermetallic compound consists of a face-centered cube that has an atom of element X at each corner and an atom of element Y at the center of each face. What would be the formula if the positions of the two elements were reversed in the unit cell ?

Q: Shown below is a representation of the unit cell of the mineral fluorite, CaF. The green spheres…

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Q: 2. How many octahedral and tetrahedral holes are there in CCP and HCP unit cells?

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Q: Metal borides MBx exist for many transition metals.  a) What is the minimum radius for the host…

A: a) The radius of an atom in the octahedral void is related to the radius of the atoms forming the…

Q: Write the relationship between atomic radius (r) and edge length (a) ofcubic unit cell for(a) Simple…

A: In case of simple cubic cell, atoms are present at the cube corners and adjacent atoms on edge…

Q: body-centered unit cell and has an atomic radius of 0.143 nm and atomic weight of 92.91 g/mol.

A: Niobium  is also called as  Columbium   symbol of Niobium is Nb. Niobium atomic number is 41.…

Q: An orthorhombic unit cell has dimensions a = 769 pm, b = 891 pm, and c = 690 pm. Calculate the…

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Q: A sample of an alkali metal that has a BCC unit cell is found to have a mass of 1.000 g and a volume…

A: Given : Mass of alkali metal = 1 g Volume of alkali metal = 1.0298 cm3 Volume of hydrogen = 539.29…

Q: What is the coordination number of an atom in a facecentered unit cell?a) 4 b) 6 c) 8 d) 12

A: Coordination number is number of ligands attached to central metal atom.

Q: A compound has orthorhombic unit cell (a = 588, b = 820 and c = 796 pm). Find the density more…

A: Step : 1               Calculate the density.

Q: How many Mn4 + and O2- ions are in the unit cell of the rutile MnO2?

A: The rutile structure for MnO2 can be given as follows:

Q: An orthorhombic unit cell of a compund of molar mass 135 g/mol has the dimensions a = 589 pm, b =822…

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Q: What is the difference between a primitive and body centered unit cell?

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Q: The compound Rb3TIF6 has a tetragonal unit cell with dimensions a = 651 pm and c = 934 pm. Calculate…

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Q: What is a, the unit cell length, in nm, for aluminum? a = i nm

A: We have to find out the edge length "a" for the unit cell of aluminium.,

Q: Describe the crystal structure of Pt, which crystallizes with four equivalent metal atoms in a cubic…

A: The platinum crystal consists of face-centered cubic arrangement. The unit cell consists of atoms of…

Q: Rhenium forms a series of common oxides which can be characterized by differing colors: Re2O7…

A: The given structure is represented as follows:

Q: If the edge length of the unit cell of Tantalum is 331 pm, calculate the volume of this unit cell in…

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Q: What is the molecular formula of the compound represented by the unit cell below? Xenon Fluorine

A: The smallest repeating unit with full symmetry of crystal structure is known as unit cell.

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: What is the minimum number of atoms that could be containedin the unit cell of an element with a…

A: Since in a body centered cubic lattice, we have 1 atom in body centre and 8 atoms, 1 on each corner.…

Q: Calculate the volume of the hexagonal unit cell of sodium nitrate, for which dimensions are a=1692.9…

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Q: Given the volume of the unit cell and the density of the unknown metal, what would be the formula to…

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Q: alculate the volume of the unit cell of Zn crystal. a and c of Zn are 266.5 pm and 494.7 pm…

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Q: What is the minimum number of atoms that could be containedin the unit cell of an element with a…

A: Since we have atoms present at corners and face centres of cube in fcc as  1) 8 atoms on each of the…

Q: Characterize the features of the face-centered cubic unit cell?

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Q: Express the relationship between atomic radius (r) and the edge length (a) in the bcc unit cell.

A: Note that for a BCC unit cell, there will be one atom divided equally at all the 8 corners of the…

Q: Calculate the volume of a unit cell of KCl (assume NaCl unit cell). From this, calculate the density…

A: Given,  Density of KCl = 1.98 g/cm3  Structure of KCl is same as that of NaCl  So,  Volume of the…

Q: Sketch the (110) plane in a bcc unit cell and give the positions of the atoms whose centers are…

A: For plane (110), represent movement in X, Y and Z direction, the direction is given by cartesian…

Q: Show that your calculation of number of atoms in a unit cell (⅛, ¼, ½, 1 added together support the…

A: We know Crack is a BCC(body centre cubic) structure . In BCC structure eight atoms are present at…

Q: What is the formula of a compound in which the element ‘Y’ form hep lattice and atoms of ‘X’ occupy…

A: In a unit cell, atoms are present at corner, faces and edges depending upon the type of unit cell.…

Q: How do you find the density of Ca metal based on the unit cell properties

A: To determine the density for Ca unit cell, the type of unit cell has to be identified first. From…

Q: Imagine a cubic lattice in which Xm ions are placed on the unit cell corners and A+" ions are at the…

A: Given  Anion = X-m Cation = A+n Ratio of Number of anion and number of cation = ?

Q: Calculate the density of niobium if it occupies a body-centered cubic unit cell with an atomic…

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Q: What is the difference between a primitive and body centered unit cell

A: Welcome to bartleby !

Q: Distinguish between the two different unit cells of ferrite and austenite and refer to the…

A: Ferrite and austenite are ceramic materials that are solutions of iron, nickel, and other elements…

Q: In which of the following unit cells is drawn a (10T) plane?

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Q: Briefly compare the packing efficiency of the unit cells for a simple cubic unit, a body-centered…

A: Definition of packing efficiency is, % of total space filled by the the…

Q: hypothetical metal with an atomic radius of 0.171 nm has an orthorhombic unit cell for which the a,…

A: Atomic Radius of metal = 0.171 nm

Q: Question attached

A: The radius ratio helps in determining the structure of ionic solids and the coordination numbers of…

Q: For the hcp (hexagonal close packed) structure, the  c/a ratio (height of the unit cell divided by…

A: Given: the  c/a ratio (height of the unit cell divided by its edge length) =1.633. To Calculate: The…

Q: The unit cell of an intermetallic compound consists of a face-centered cube that has an atom of…

A: The unis shell of the face-centered cube has an atom of element X at each corner and an atom of…

Q: Calculate the ratio of the maximum radius of an interstitial atom at the center of each face of a…

A: Let us say the radius of the host atom is r1 and r2 is the radius of the interstitial atom Then from…

Q: Make a table for comparison between the interior angles of the seven (7) unit cells and…

A: Comparing all of the unit cells and we see that

Q: Calculate the number of atoms/cm2 on the plane (100) of lead (FCC) for which the size of the unit…

A: Planar density: It is defined as the number of atoms divided by unit area of crystallographic plane.…

Q: I'm not sure how I would begin to answer this question. Thank you for all your time.

A: Given data:

Q: Find the planer density (Po) in (atom/mm) of (100) in a face centered cubic unit cell with lattice…

A: In the given question we have to calculate the planar density and Atomic radius. Given data:  plane…

Q: Which of the three-dimensional primitive lattices hasa unit cell where none of the internal angles…

A: Please find below the angles and sides of different types of primitive lattices

Crystal Lattices and Unit Cell

Consider a crystal. The regular and repeating pattern of constituent particles is the most distinguishing feature of crystalline solids. A crystal lattice is formed when these particles are replaced with representative points. The three-dimensional arrangement of constituent particles is known as a crystal lattice. Unit cell is that the smallest portion of a space lattice which when repeated in several directions, generate the whole lattice. Unit cell is a building block of a lattice. It is the smallest unit of cell.