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NEETChemistrySolid State

What is the edge length of a unit cell in a cubic close-packed (ccp) structure in terms of the sphere radius (r)?

Options

  1. Aa = 2r
  2. Ba = 3r
  3. Ca = 4r
  4. Da = 5r

Correct answer

A. a = 2r

Step-by-step solution

The edge length (a) of a unit cell in a cubic close-packed (ccp) structure is equal to 2 times the radius of the spheres (a = 2r).

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