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5.1Gold 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?

5.1Gold 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?

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter7: Chemical Bonding And Molecular Geometry
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Problem 76E: The lattice energy of LiF is 1023 kJ/mol, and the Li—F distance is 200.8 pm. NaF crystallizes in the...
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5.1Gold 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? 5.2 Calculate the size of a tetrahedral cavity (hole) in a close-packed structure. (Use r for the radius of the atoms and rh for the radius of the hole.) 5.3 Consider an alloy of copper and gold with the structure shown in Figure 3: a)Calculate the composition of this unit cell. b)Given that 24 carat gold is pure gold, carat gold does this alloy what represent?
Transcribed Image Text:5.1Gold 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? 5.2 Calculate the size of a tetrahedral cavity (hole) in a close-packed structure. (Use r for the radius of the atoms and rh for the radius of the hole.) 5.3 Consider an alloy of copper and gold with the structure shown in Figure 3: a)Calculate the composition of this unit cell. b)Given that 24 carat gold is pure gold, carat gold does this alloy what represent?
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