Why Does a Pure Metal Not Crystallize in a Fluorite

question 117

Multiple Choice

Why does a pure metal not crystallize in a fluorite or antifluorite unit cell?

• A)They can and do.
• B)These unit cells require two types of atoms or ions with differing radii.
• C)Pure metals do not crystallize; they are amorphous.
• D)The atoms in pure metals move about in a sea of electrons.
• E)The radius of the metal is too large.

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Definitions:

Antecubital Space

The area on the front of the elbow where veins are often accessed for blood drawing or intravenous injections.

Elbow

A hinge joint connecting the forearm to the upper arm, allowing for the flexion and extension of the forearm.

Infarction

Tissue death caused by a local lack of oxygen, due to obstruction of the tissue's blood supply.

Necrosis

The demise of cells or tissues within the body, caused by illness, harm, or insufficient blood flow.