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The mass of a copper atom is 1.56 10-25 kg, and the density of copper is 8 920 kg/m3 . (a) Determine the number of atoms in 1 cm3 of copper.

The mass of a copper atom is 1.56 10-25 kg, and the density of copper is 8 920 kg/m3 .
(a) Determine the number of atoms in 1 cm3 of copper.

Cu—atom
cm3


(b) Visualize the one cubic centimeter as formed by stacking up identical cubes, with one copper atom at the center of each. Determine the volume of each cube.

cm3
Cu—atom


(c) Find the edge dimension of each cube, which represents an estimate for the spacing between atoms.
cm

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