Check Your Learning Silver crystallizes in an FCC structure. The edge length of its unit cell is 409 pm. (a) What is the atomic radius of Ag in this structure? (b) Calculate the density of Ag. Answer: (a) 144 pm; (b) 10.5 g/cm
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A: NOTE
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A: The relation between edge length (a) and atomic radius (r) : r = (√2 a) ÷ 4
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A: Edge length ,a = 533 PM
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A: Note: As per our guidelines, we are supposed to answer only the first question (question number…
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A: The correct answer is given below
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A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
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A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
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A: The correct answer is option c which is 4.01.
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A: Here . Given crystal is face centred cubic lattice. (fcc)
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A: Answer: density of the unit cell is 3.541 g/cm3
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A: For HCP, number of atoms per unit cell, n = 6 Density, d = 6.51 g/cm3
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A: The solution is given below -
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A: Density is defined as mass per unit volume, it's SI unit is Kg/m3
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A: Please refer to the picture attached below for full solutions.
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…
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- Why is the C 60form of carbon called buckminsterfullerene?please solveee 1. Tantalum is rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It has a density of 16.4 kg/L and a molecular weight of 180.948 g/mol. What is the (A) atomic radius in cm, (B) volume in cm^3 of Ta if it adopts the body centered cubic unit structure and (C) volume of unit cell4. Lithium bromide crystalizes as shown (right) where the lithium ions are represented as white circles and the bromide ions are represented as filled circles. Give all answers to four significant figures. (a) What is the mass of one unit cell in grams? (b) If the density of LiBr is 3.464 g/mL, what is the edge length of the unit cell in pm? (c) Calculate the Li-Br distance in the crystal structure in pm.
- 7. Zirconium has an HCP crystal structure and a density of 6.51 g/cm. (a) What is the volume of its unit cell in cubic meters? (b) If the c/a ratio is 1.593, compute the values of c and a. Consider the unit cell volume, V. = 6R?cV3do (b) What is the relationship between the length of the face diagonal and the radius, r, of the atoms in the cell? (Enter a mathematical expression.) face diagonal = (c) How is the radius of the atoms related to do? (Enter a mathematical expression.) r = (d) Gold metal crystals have an FCC structure. The unit cell edge in gold is 0.4078 nm long. What is the radius (in nm) of a gold atom? nm1) Palladium (electron configuration is [Kr]4d¹) crystallizes in a face-centered cubic unit cell. its density is 12.0 g/cm³. (NA = 6.02 x 10²³) (a) What is the total mass of palladium atoms contained within one unit cell? (b) Calculate the atomic radius (r) of Pd.
- 2) Sodium is a bright and white, soft, wax-like element dissolved in seawater, crystallized in rock salt. Sodium is common in nature and crystallizes with a body-centered cubic unit cell and its density is 0.971 g/cm³. (Na: 23 g/mol) (a) What is the volume of the unit cell, in cm³? (b) What is the edge length of the unit cell, in pm? (c) What is the radius of a sodium atom, in pm?A metal crystallizes in the face-centered cubic crystal structure with a unit cell edge of 3.52 x 10 -8 cm.The density of the metal is 8.90 g/cc. (a) What is the mass, in grams, of a single atom of this element? (b) What is the atomic weight of the element (g/mol). (c) What is the radius, in cm, of an atom of the element?At room temperature, the edge length of the cubic unit cell in elemental silicon is 5.431 Å, and the density of silicon at the same temperature is 2.328 g cm-3 . Each cubic unit cell contains eight silicon atoms. Using only these facts, perform the following operations.(a) Calculate the volume (in cubic centimeters) of one unit cell.(b) Calculate the mass (in grams) of silicon present in a unit cell.(c) Calculate the mass (in grams) of an atom of silicon.(d) The mass of an atom of silicon is 28.0855 u. Estimate Avogadro’s number to four significant figures.
- 1)Pure gold has a density of 19.32 g/cm3, and the atoms are packed in a face-centered cubic crystal lattice. What is the radius of a gold atom in pm? 2)The cubic unit cell parameter (a) of polonium (α-Po) is 335 pm. Use the Goldschmidt correction (Table 1) to calculate a metallic radius for this element.3. If atomic radius of Ru is 205 pm and it forms hep crystalline structure, calculate the crystalline density of Ru crystal. The height of Ru is 5.2A, the width is 1 and atomic mass is 101.07 g/mol.Copper (Cu) has an fcc structure, where the mass of a Cu atom is 63 in atomic mass units. The density of Cu is 8.9x10³ kgm-³. Tungsten (W) typically has a bcc structure, where the mass of a W atom is 184 in atomic mass units. The density of W is 19.3x10³ kgm-³. (i) Use the above data to find the radius of a Cu atom, and of a W atom. (ii) Which atom has the larger radius, and why? You may use the fact that 1 atomic mass unit is equivalent to 1.66 × 10-27 kg.