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'Al' crystallises unit F.C.C lattice. If...

 'Al' crystallises unit F.C.C lattice. If the closest approach of Al atoms in the crystal is 0.4054nm. Find the density of Al'. 

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To find the density of aluminum (Al) that crystallizes in a face-centered cubic (FCC) lattice, we can follow these steps: ### Step 1: Identify the given data - Closest approach of Al atoms (which is the edge length, \( a \)): 0.4054 nm - Molecular weight of aluminum (Al): 27 g/mol - Number of atoms per unit cell in FCC (\( z \)): 4 ### Step 2: Convert the edge length to centimeters ...
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