What Are Nonclose-Packed Structures

question 3

Multiple Choice

What are nonclose-packed structures?

• A) These structures have low space economy because the unit cells are separated for more than the length of one unit cell.
• B) These structures have holes of larger volume than close packed structures, and therefore less efficient packing of the spheres.
• C) These structures occur when different layers have different unit cells that cannot pack properly inside the structure.

---

Definitions:

Luminous Dot

A bright, shining point of light, often used in visual displays or as an indicator in various devices.

Moved Upward

Refers to the action or process of moving higher in position or status.

Selective Attention

The process of focusing on a particular object or task while ignoring irrelevant information or stimuli.

Stimulus Array

A set or collection of stimuli presented to an individual in order to elicit responses or behaviors for study.