A Explain What Is Meant by the Term "Unit Cell

question 68

Essay

a. Explain what is meant by the term "unit cell".
b. Copper metal has a face-centered cubic unit cell. The edge length of the unit cell is 361 pm, and the atomic weight of copper is 63.55 amu. Calculate the density of the copper in g/cm³.
(1 amu = 1.661 × 10^-24 g.)
c. From the data in (b), calculate the radius of a copper atom in pm.

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