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Byju's Answer
Standard XII
Chemistry
Zeff
Aluminium cry...
Question
Aluminium crystallises in a cubic close-packed structure. Its metallic radius is
125
p
m
.
How many unit cells are there in
1.00
c
m
3
of aluminium ?
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Solution
volume of the unit cell
=
a
3
=
(
354
×
10
−
8
m
)
3
∴
Number of unit cells in
1.00
c
m
3
=
1
(
354
×
10
−
8
)
3
=
2.26
×
10
22
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Aluminium crystallizes in a cubic close packed structure. Its metallic radius is
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