If the Interaction Between Two Species Is Proportional to 1/r³

question 156

Multiple Choice

If the interaction between two species is proportional to 1/r³, which of the following is likely involved?

• A) Chloromethane molecules in the liquid phase
• B) Ions in an ionic solid
• C) Bromine molecules in the liquid phase
• D) Chloromethane molecules in the solid phase
• E) Na⁺ and H₂O

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