The Net Number of Spheres in the Face-Centered Cubic Unit

question 64

True/False

The net number of spheres in the face-centered cubic unit cell is 4.

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Definitions:

90-degree Angle

An angle that measures 90 degrees, forming a perfect quarter circle or right angle.

45-degree Angle

A precise measurement where two lines or surfaces meet to form an angle that is half the size of a right angle, often used in geometry and various applications to denote a moderate inclination.

15-degree Angle

A measure of rotation that equals one-sixteenth of a complete circle's rotation; it's a small acute angle commonly used in geometry.

60-degree Angle

An angle measuring 60 degrees, often associated with equilateral triangles where all three interior angles are equal.