closed
packed structure. Its atomic radius is 
.
(a)
What is the length of the edge of the unit
cell? 1
(b)
How many such unit cells are there in a 2.00 m3 piece of aluminum?
1
Answer:
(a)
Aluminium crystallizes in a cubic closed packed structure.
Length of
the side of cube = 
(
it has 
structure)
= 
= 
= 
.
1
(b)
Volume of the unit cell = 
=
No. of
unit cells present in 1 
of 
= 
=
.
1
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