For the hcp (hexagonal close packed) structure, the  c/a ratio (height of the unit cell divided by its edge length) is 1.633.  Using this value, calculate the density (in units of g/cm3) of Zn (an hcp metal).

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

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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: The atomic radius of an atom that is present in a BCC unit cell having a lattice parameter of 4.5 A…

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Q: It has one compound orthorhombic unit cell (a=588, B=820, and C=796 pm). Find the density more…

A: Density of orthorhombic unit cell given as D= Z ×MN ×1a ×b ×c where D= Density of orthorhombic…

Q: Copper adopts a face centered cubic (FCC) unit cell with an atomic radius of copper 1.28Å.  Find…

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Q: Silver is a metal commonly used in jewelry and photography. It crystallizes with a FCC unit cell…

A: We know that ,density=Z.MNA.a3ρ→densityZ→no.of atom per unit cella3→volume of unit cell…

Q: b. Adamantium is a virtually indestructible man-made steel alloy which does not occur in nature and…

A: This question is of solid state chemistry and we have been asked to find the crystal structure of…

Q: What type of two-dimensional lattice describes the structure of a single layer of close-packed…

A: The term "closest packed structures" refers to the most tightly packed or space-efficient…

Q: Which of the following statements is/are CORRECT? If an ionic compound with the formula MX forms a…

A: Given that : Formula of compound = M X Anions ( Xn- )  are located in corners and face centers of…

Q: A metal has atoms with a radius of 182.1 pm. It crystallizes in a face-centered unit cell. It has a…

A: Answer: In face centered unit cell or FCC unit cell, atoms are present at the vertices and at the…

Q: Assume that a material has a FCC crystal structure, an atomic radius is 0.13x nm, and an atomic…

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Q: The structure of aluminum is fcc and its density is r = 2.70 g cm-3 .(a) How many Al atoms belong to…

A: Structure of aluminum is FCC and its density (D) is = 2.70 g/ cm3 We are asked to calculate, (a)…

Q: Lithium has an atomic arrangement as body-centered cubic, and its lattice parameter is 0.349 nm.…

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Q: Consider a crystal in 3 dimensions, in which each unit cell contributes Z valence electrons and…

A: VALCENCE ELECTRONS: In an element or atom, the electrons that are present in the outermost shell are…

Q: Europium, one of the lanthanide elements used in television screens, crystallizes in a crystal…

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Q: Of the following cubic cells: simple cubic, body-centered cubic, face-centered cubic, which of these…

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Q: tassium chloride adopts the rock salt-type (NaCl-type) structure with a face-centred cubic unit cell…

A: An face centred unit cell  contains  atoms  at all the corners of crystal lattice  and also at the…

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: For the shown crystal structure, write down (a) the Bravais lattice and (b) the basis of the…

A: Given that, For this structure : a=b≠c & α=β=γ=90°.

Q: Gold has a face-centered cubic arrangement with a unit cell edge length of 4.08 Å.  How many moles…

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Q: a tetragonal crystal, unit cell a =4.5Å, c = 6Å. Evaluate the Bragg angle, q, for the (222)…

A: For a tetragonal crystal the unit cell dimension a =4.5 Å and c = 6 Å respectively. The reflection…

Q: You are given a small bar of an unknown metal, M. You find the density of the metal to be 10.5…

A: A face centered cubic structure consists of atoms that are located at each of its corners and the…

Q: @ How many atoms will fit within an FCC unit cell if the lattice constant is =2.86x10^(-10) m…

A: In FCC unit cell, atoms are arranged at the corner of cube and at the center of the face of cube. In…

Q: The crystal structure of copper is found to be FCC. If two neighboring copper atoms are at a…

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Q: Calculate the density of gold, which has a face-centered cubic unit cell with an edge length of…

A: Derivation of expression for the density of a face-centered cubic unit cell: In general, density is…

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

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

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: Cubic structure) calculate volume, mass, and atomic mass given that an FCC lattice has density of…

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Q: Unit cell) calculate atomic radius in picometers; not sure how to get volume or side length if I…

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Q: A certain element forms an FCC unit cell structure with a density of 10.6 g/cm3. Identify the…

A: Density of a unit cell is given by,   d=ZMa3×NAWhere,    d=density of unit cell    M=molar mass…

Q: Nickel crystallizes in face center cubic unit cell. What is the atomic radius of nickel if the…

A: The density(ρ) of a unit cell is given by the following equation                        ρ=Z×MN×a3…

Q: NaCl has a has a face centered cubic (fcc) structure. How many Na atoms per unit cell, Cl atoms per…

A: NaCl is an ionic crystal .  In NaCl type structure, chloride ions occupy fcc structure and sodium…

Q: 2. The cubic unit cell of NaCl contains Na* ions located at (000), (½ ½ 0), (½ 0 ½), and (0 ½ ½),…

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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: Which one of the following statements is INCORRECT?   a.  Polonium is the only metal that has a…

A: Mostly metals don't show primitive cubic lattice.  Alkali metals are comparatively of larger size…

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: Calcium has an FCC crystal structure, density of 1.55 Mg/m3 , and atomic mass of 40.08 g/mole.…

A: First Calculate a3 D= ZM.W÷a3NA Then for volume  V= a3 Radius= r= a÷2√2

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: The compound MX has a density of 2.1 g/cm^3 and a cubic unit cell with a lattice parameter of 0.57…

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Q: What is the number of atoms per unit cell for each metal?(a) Polonium, Po(b) Manganese, Mn(c)…

A: (a) Polonium, Po In the cubic unit cell, atom at the corner is shared by 8 adjacent cells, at the…

Q: A certain form of silver iodide adopts the zinc blende structure. The density of the salt is 5.69…

A: The anion forms a FCC lattice and the cation occupy 4 tetrahedral voids in zinc blende structure.…

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: 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: The structure of the unit cell when CaF2 crystallizes is shown below: How many Ca2+ ions are…

A: The structure of the unit cell when CaF2 crystallizes is shown above structure. Then,

Q: 11. The unit cell of a compound containing strontium, iron, and oxygen is shown here. (a)What type…

A: So let's start wifh the part (a) where we have to find the lattice type of the given unit cell ,Here…

Q: In a hexagonal-close-pack (HCP) unit cell, the ratio of lattice points to octahedral holes to…

A: Given that the unit cell is in HCP .where the ratio of lattice points to octahedral holes to…

Q: Determine the packing factor for the FCC cell. In a FCC cell, there are four lattice points per…

A: There are different types of packing of atoms within a unit cell. It can be: simple cubic FCC BCC…