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A face-centred cubic element (atomic mas...

A face-centred cubic element (atomic mass `60`) has a cell edge of `400` pm. What is its density?

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To find the density of a face-centered cubic (FCC) element with an atomic mass of 60 and a cell edge of 400 pm, we can follow these steps: ### Step 1: Determine the number of atoms per unit cell (Z) In a face-centered cubic lattice: - There are 8 corner atoms, each contributing \( \frac{1}{8} \) of an atom to the unit cell. - There are 6 face-centered atoms, each contributing \( \frac{1}{2} \) of an atom to the unit cell. Calculating the total number of atoms: ...
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