[Solved] 3. Platinum (Pt) crystalizes in a face-ce

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3. Platinum (Pt) crystalizes in a face-centered cubic unit cell. It has an atomic radius of 1.38 Angstroms. Determine the edge length of the unit

3. Platinum (Pt) crystalizes in a face-centered cubic unit cell. It has an atomic radius of 1.38 Angstroms. Determine the edge length of the unit cell and the density of Platinum. Avogadro

number = 6.022 x 1023

V =al 2a? = (4r)?

fec 4 atoms in 1 unit cell

1A = 10- cm

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