Problem: Nickel has a face-centered cubic unit cell. The density of nickel is 6.84 g/cm 3. Calculate a value for the atomic radius of nickel.

FREE Expert Solution
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FREE Expert Solution

First step is to find the volume of the unit cell from the information given:

Recall that a Face-Centered Cubic (FCC) unit cell has 4 atoms per unit cell.

Avogadro’s number = 6.022x1023 atoms/mol
Density = 6.84 g/cm3
Molar mass Ni = 58.69 g/mol

Calculate volume:

79% (334 ratings)
Problem Details

Nickel has a face-centered cubic unit cell. The density of nickel is 6.84 g/cm 3. Calculate a value for the atomic radius of nickel.

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