Question 10.9: USING UNIT-CELL DIMENSIONS TO CALCULATE THE DENSITY OF A MET...
USING UNIT-CELL DIMENSIONS TO CALCULATE THE DENSITY OF A METAL
Nickel has a face-centered cubic unit cell with a length of 352.4 pm along an edge. What is the density of nickel in g/cm³?
STRATEGY
Density is mass divided by volume. The mass of a single unit cell can be calculated by counting the number of atoms in the cell and multiplying by the mass of a single atom.
The volume of a single cubic unit cell with edge d is d³ = (3.524 × 10^{-8} cm)³ = 4.376 × 10^{-23} cm³.
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