The Closest-Packing of Spheres (Such as Oranges, Cannonballs, or Atoms)

question 20

Multiple Choice

The closest-packing of spheres (such as oranges, cannonballs, or atoms) has the spheres ________

• A)arranged in layers with each sphere surrounded by 4 other spheres in the layer.
• B)arranged in layers with each sphere surrounded by 3 other spheres in the layer.
• C)arranged in a square pattern with a sphere at each corner and one in the center of the square.
• D)arranged in a square pattern with a sphere at each corner of the square.
• E)arranged in layers with each sphere surrounded by 6 other spheres in the layer.

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