a way to isolate electrons
the characteristics of a new kind of crystal
the structure of an ionic salt
commercial uses for electrides
the properties of ions
22. In the first paragraph, the author is primarily concerned with
introducing a variant on the standard atomic theory
describing how chlorine atoms can become negatively charged
describing some early research at Michigan State University
presenting the identifying properties of an electride
providing background for the technical discussion to follow
23. It can be inferred from the passage that the differences between the behavior of anionic electrons and normal anions result from which of the following features of electrons, as compared to normal anions?
I. The much lower mass of electrons
II. The much greater tendency of electrons to interact with one another over large distances
III. The much greater likelihood of electrons to remain trapped in naturally formed anionic cavities
I only
II only
I and II only
I and III only
II and III only
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