If Half of the Tetrahedral Holes in a Face-Centered Cubic

question 120

Multiple Choice

If half of the tetrahedral holes in a face-centered cubic unit cell are filled, what must be the stoichiometry of the ionic compound, written as nonhole sites:hole sites in lowest terms?

• A)2:1
• B)1:1
• C)1:2
• D)4:1
• E)2:3

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Definitions:

Oxygen

A chemical element with symbol O, essential for respiration in many organisms and important in various industrial processes.

Isotopes

Forms of the same chemical element that have different numbers of neutrons, leading to variations in their total number of nucleons.

Neutrons

Subatomic particles found in the nucleus of an atom, carrying no electric charge and having a mass slightly larger than that of a proton.

Allotropes

Different forms of the same element in the same physical state with different structures and properties.