Why does the lattice of Li2O below show more ions than the formula unit?
A) The formula unit is a ratio of cations and anions, not the absolute number of ions.
B) There is an error in the formula unit.
C) The formula unit is just a way to balance charge; it doesn't mean anything physically.
D) The formula was written before the true structure was determined.
E) The lattice and the formula are unrelated.
Correct Answer:
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