7. Aluminum metal crystallizes with a face -centered cubic unit cell. The volume of the cell is 0.0662nm3 (a) What is the atomic radius of aluminum in cm ? (b) What is the volume of a single aluminum atom? (c) What is the density of a single aluminum atom? (d) In face-centered cubic cell packing, the fraction of empty space is 26.0 %. When this is factored in, what is the calculated density of aqluminum? Ans a. 1.43 x 10-8 cm ; b. 1.22 x 10-23 cm³ ;c. 3.66 g/cm³; d. 2.71 g/cm3

7. Aluminum metal crystallizes with a face -centered cubic unit cell. The volume of the cell is 0.0662nm3 (a) What is the atomic radius of aluminum in cm ? (b) What is the volume of a single aluminum atom? (c) What is the density of a single aluminum atom? (d) In face-centered cubic cell packing, the fraction of empty space is 26.0 %. When this is factored in, what is the calculated density of aqluminum? Ans a. 1.43 x 10-8 cm ; b. 1.22 x 10-23 cm³ ;c. 3.66 g/cm³; d. 2.71 g/cm3

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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7. Aluminum metal crystallizes with a face -centered cubic unit cell. The volume of the cell is 0.0662nm3
(a) What is the atomic radius of aluminum in cm ?
(b) What is the volume of a single aluminum atom?
(c) What is the density of a single aluminum atom?
(d) In face-centered cubic cell packing, the fraction of empty space is 26.0 %. When this is factored in, what is the
calculated density of aqluminum? Ans a. 1.43 x 10-8 cm ; b. 1.22 x 10-23 cm³ ;c. 3.66 g/cm³; d. 2.71 g/cm3

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