Solid StateHard

Question

Square packed sheets are arranged on the top of other such that a sphere in the next layer rests on the center of a square in the previous layer. Identify the type of arrangement and find the the coordination number.

Options

A.Simple Cubic, 6
B.Face Centered Cubic, 8
C.Face Centered Cubic, 12
D.Body Centered Cubic, 8

Solution

Unit cell is face centered cubic so coordination number is 12.

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