Question: Magnesium oxide has the rock salt crystal structure and a density of 3.58 g/cm3. (a) Determine the unit cell edge length. (b) How does this

Magnesium oxide has the rock salt crystal structure and a density of 3.58 g/cm3.
(a) Determine the unit cell edge length.
(b) How does this result compare with the edge length as determined from the radii in Table 12.3, assuming that the Mg2+ and O2- ions just touch each other along the edges?

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