Problem

Packing efficiency is defined as the percent of the total volume of a solid occupied by...

Packing efficiency is defined as the percent of the total volume of a solid occupied by (spherical) atoms. The formula is

The volume of one atom is and the volume of the cell is s³. Calculate the packing efficiency of

(a) a simple cubic cell (1 atom/cell).

(b) a face-centered cubic cell (4 atoms/cell).

(c) a body-centered cubic cell (2 atoms/cell).

Use Table 9.6 to relate r to s.

Reference Table 9.6:

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Solutions For Problems in Chapter 9

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