Determine the radius of an Al atom (in pm)if the density of aluminum is 2.71 g cm^-3.Aluminum crystallizes in a face-centred cubic structure with an edge length of 2$\sqrt{2}$ r. A)143 pm B)227 pm C)96 pm D)172 pm E)193 pm

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The face-centered cubic structure has 4 atoms per unit cell. Using the density formula and the given edge length relation, we can calculate the radius of the Al atom. The correct calculation leads to a radius of approximately 143 pm.

Determine the Radius of an Al Atom (In Pm)if the Density