Q)
(chatquestion)...6 fold axis
7.
8.
11
12
10
Coordination number of hep and cep struche
ABABAB... Or hexagonal close packing (hcp) of spheres
Number of particles in hexagonal unit cell (2) = 12x +2x+3 =6
%3D
GOLDEN KEY POINTS
----...(In HCP 12 atoms corner pr hote hae to corner ki contribution 12 / 8 honi chahiye 12 by 6 kyu)
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