A Tetrahedral Hole in a Crystal Lattice Is Defined as

question 26

Multiple Choice

A tetrahedral hole in a crystal lattice is defined as

• A)one-half of an octahedral hole.
• B)the space between any number of atoms having tetrahedral edges.
• C)the space between a cage of sp3 hybridized atoms such as in diamond.
• D)the space between a cluster of four adjacent atoms arranged in a tetrahedron.
• E)a large hole having four flat sides arranged in a tetrahedral shape.

---

Definitions:

Chief Complaint

The primary symptom or concern that brings a patient to seek medical care.

Paroxysmal Nocturnal Dyspnea

Sudden episodes of shortness of breath that awaken the individual from sleep, commonly associated with heart failure.

Heart Failure

A condition in which the heart cannot pump enough blood to meet the body's needs.

Respirations

Respirations refer to the act of breathing, which involves inhaling oxygen and exhaling carbon dioxide.