An element with atomic mass 60 having fcc structure has a density of `6.23 "g/cm"^3`.What is the edge length of unit cell ?

Explanation

To find the edge length of a unit cell for an element with a face-centered cubic (FCC) structure, we can use the formula that relates density, molar mass, and edge length. Here’s the step-by-step solution:

### Step 1: Understand the formula for density
The density (\(d\)) of a crystalline solid can be expressed using the formula:
\[ d = \frac{Z \cdot m}{N_A \cdot a^3} \]
where:
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