Silver is a metal commonly used in jewelry and photography. It crystallizes with a face-centered cubic (FCC) unit cell 0.507 nm on anedge. What is the volume of Ag atom?(A) 3.42 х 10-22 ст35.4 x 10-25 cm35.499 ст32.41 x 10-23 cm3E 1.79 х1о-8 ст3

In face centred cubic (fcc) , relation between edge length of a unit cell (a) and radius of the…

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Nickel exhibits a cubic crystal structure with a lattice constant (a) value of 0.353 nm. It has an atomic weight of 58.70 g/mol and a density of 8.83 g/cm3. (a) What is the crystal structure of Ni? (b) Determine its atomic radius in nm. Present your answer in three (3) decimal places.
Metallic strontium crystallizes in a face-centered cubic lattice. The volume of the unit cell is 2.25 × 10⁸ pm³. What is the density of strontium metal in g/cm³?
A metal has the CFC crystalline structure, density of 7g / cm3 , and an atomic weight of 44g / mol. What is the atomic radius of this metal?
(b) Chromium has the iron (monoatomic body-centered cubic) structure. Its density is 7.19 g.cm³, and the length of the edge of the unit cell is 288.4 pm. Use these data to calculate a value for the Avogadro constant. (4)
The ionic compound, CsBr, forms a body centered cubic structure (see below) where the anions occupy the corners of the crystal (red) and the cations the body centered position (green). If the ionic radius of Cs +, Br − are 169 pm and 195 pm respectively, what is the density (in g/cm 3)?
If the density of europium is 5.25 g/cm3 at 20 degrees celsius with a volume of 1.52 x 10-22cm3, what is the mass (in grams)of one unit cell?
The ionic compound, CsBr, forms a body centered cubic structure (see below) where the anions occupy the corners of the crystal (red) and the cations the body centered position (green). If the density of the compound is 4.44 g/cm 3 and the ionic radius of Cs + is 169 pm, what is the ionic radius of Br − in pm?
Metallic chromium has a body- centered cubic structure (all atoms at the lattice points) and a density of 3 7.20 g/cm³. Assume chromium atoms to be spheres. The spheres in a body- centered array оcсиру 68.0% of the total space. Find the atomic radius of chromium. The volume of a sphere is equal to 4Tr /3. Radius = %3|
adwa Some hypothetical metal has a simple cubic crystal structure. If its atomic weight is 61.25 g/mol and the atomic radius in atomic radius is 0.174 nm, calculate its theoretical density in g/cm3. NA = 6.022 x 1023 atoms/mo.
Copper crystallises in face-centred cubic lattice and has density of 8.930 g cm-3 at 293 K. Calculate the radius of copper atom. [Atomic mass of Cu = 63.55 u, NA = 6.02 X 1023 mol-1]
Iron forms a body-centered cubic crystal structure. (a) How many Fe atoms are in a unit cell? (b) What is the mass of a unit cell in grams? (c) If the density of iron is 7.86 g/cm', calculate the volume of unit cell, the edge length of the unit cell in pm, and the atomic radius of iron in pm. (Atomic mass of iron = 55.85 amu; 1 amu = 1.6605 x 10 24 g; 1 pm = 10-10 cm)
Vanadium crystallizes in a body centered cubic cell (the V atoms occupy only the lattice points). The density of V is 6.0 g/cm^3. Calculate the unit cell edge length in pm. Round your answer to 2 significant digits.

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Silver is a metal commonly used in jewelry and photography. It crystallizes with a face-centered cubic (FCC) unit cell 0.507 nm on an edge. What is the volume of Ag atom? (A) 3.42 х 10-22 ст3 5.4 x 10-25 cm3 5.499 ст3 2.41 x 10-23 cm3 E 1.79 х1о-8 ст3