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  • Aluminium crystallises in a cubic close-packed structure. Its metallic radius is 125 pm. (i) What is the length of the side of the unit cell?

1.24 Aluminium crystallises in a cubic close-packed structure. Its metallic radius is 125 pm.
(i) What is the length of the side of the unit cell?

Answers (1)

best_answer

For  cubic close-packed structure,

we have a=2\sqrt{2} . r

Given : r=125 pm

           a =2\times 1.414\times 125

           a=354 pm

Posted by

seema garhwal

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