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: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter11: Liquids And Solids
Section: Chapter Questions
Problem 11.77QE: Palladium has a cubic crystal structure in which the edge of the unit cell is 389 pm long. If the...
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Transcribed Image Text: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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