Many metals pack in cubic unit cells the density of a metal, Ask an Expert

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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 Å. (1 Å = 1. 10-8 cm.)

(a) How many gold atoms are in exactly 1 cm3?

(b) How many unit cells are in exactly 1 cm3?

(d) The atoms/unit cell suggests that gold packs as a _____ unit cell.

--- simple

--- body-centered

--- face-centered

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Category:- Chemistry
Reference No.:- M9870707

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