Metals can crystalize into simple cubic, ccp, hcp and bcc arrangements. Regarding coordination number of these arrangements, false statement is
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a
Coordination number in hcp arrangement is 12
b
Coordination number in ccp arrangement is 4
c
Coordination number in bcc arrangement is 8
d
Coordination number in simple cubic arrangement is 6
answer is B.
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Detailed Solution
In ccp arrangement of metallic crystal, each sphere is surrounded by six spheres in the same layer and it is surrounded by three spheres each from above layer and the layer below;Coordination number is 12