Which of the Following Statements About the Closest Packing of Spheres

question 109

Multiple Choice

Which of the following statements about the closest packing of spheres in binary ionic solids is false?

• A)The packing is done in a way that minimizes repulsions among ions with like charges.
• B)The packing arrangement maximizes electrostatic attractions among oppositely charged ions.
• C)For spheres of a given diameter,tetrahedral holes are larger than octahedral holes.
• D)Trigonal holes are so small that they are never occupied.
• E)None of these.

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Definitions:

Tectorial Membranes

A structure in the cochlea of the inner ear that is involved in the auditory sensing process, by interacting with hair cells to facilitate hearing.

Hair Cells

Sensory receptors for hearing that are attached to the basilar membrane in the cochlea.

Organs of Corti

Located within the cochlea of the inner ear, they are essential for converting sound vibrations into neural signals for hearing.

Frequency Theory

The theory of hearing that holds that hair cell receptors vibrate the same number of times per second as the sounds that reach them.