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The edge of the face centred cubic unit ...

The edge of the face centred cubic unit cell of aluminium is 404 pm. Calculate the radius of aluminium atom.

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The correct Answer is:
142.8 pm
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An element X with an atomic mass of 60 "g mol"^(-1) has density of 6.23 "g cm"^(-3) . If the edge length of its cubic unit cell is 400 pm, identify the cubic unit cell. Calculate the radius of an atom of this element.

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