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.
Correct Answer:
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