
Concept explainers
(a)
Thenumbers of atoms for FCC nickel (Ni).

Answer to Problem 2.7P
The numbers of atoms for FCC nickel (Ni) is
Explanation of Solution
Given:
The side of cube is
Lattice parameter for nickel is
Formula used:
Write the expression to find the number of atoms per unit volume.
Here,
Write the expression to find the number of atom for the volume.
Here
Calculation:
Nickel has Face Centered Cubic (FCC) structure with
Substitute
Substitute
Conclusion:
Therefore, the numbers of atoms for FCC nickel (Ni) is
(b)
The number of atoms by using the density of nickel.

Answer to Problem 2.7P
The number of atoms by using the density of nickel is
Explanation of Solution
Formula used:
Write the formula to find theatoms per unit volume.
Here,
Write the expression to find the number of atom for the volume.
Here,
Calculation:
The molecular weight of nickel is
The density of nickel is
Avogadro’s number is
Substitute
Substitute
Conclusion:
Therefore, the number of atoms by using the density of nickel is
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Chapter 2 Solutions
Materials Science And Engineering Properties
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- Materials Science And Engineering PropertiesCivil EngineeringISBN:9781111988609Author:Charles GilmorePublisher:Cengage Learning
