Question: Iridium crystallizes in a face-centered cubic unit cell that has an edge length of 3.833 . (a) Calculate the atomic radius of an iridium atom.

Iridium crystallizes in a face-centered cubic unit cell that has an edge length of 3.833 Å. (a) Calculate the atomic radius of an iridium atom.
(b) Calculate the density of iridium metal?

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