Aluminium crystallizes in a cubic close packed structure . Its metallic radius is 125 pm . What is the length of the side of the unit cell .

Aluminium crystallizes in a cubic close packed structure . Its metalli

1.	Aluminium crystallizes in a cubic close packed structure . Its metallic radius is 125 pm . What is the length of the side of the unit cell .
Answer» Given radius = 125 pm For a fcc lattice unit cell `r = (a)/(2sqrt2)` ` a = 2sqrt2 xx r` `a= 2sqrt2 xx r` `= 2 xx 1.414 xx 125` `= 353 . 5` pm `therefore` Length of the side of the unit cell = `353 . 5` pm .

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Aluminium crystallizes in a cubic close packed structure . Its metallic radius is 125 pm . What is the length of the side of the unit cell .

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