How many gold atoms are in 1 cm3?

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Cassi

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Many metals pack in cubic unit cells. The density of a metal and length of the unit cell can be used to determine the type for packing. For example, gold has a density of 19.32 g/cm3 and a unit cell side length (a) of 4.08 . (1 = 1 x 10-8cm).

a. How many gold atoms are in 1 cm3?


b. How many unit cells are in 1 cm3?

c. How many gold atoms are there per unit cell?
 
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