Why Does the Lattice of Li₂O Below Show More Ions

question 98

Multiple Choice

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.

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