The Measured Minimum Potential Energy of a NaCl Molecule at Stable

question 21

Multiple Choice

The measured minimum potential energy of a NaCl molecule at stable equilibrium distance of 0.236 nm is -5.7 eV. If the Na⁺ and Cl^- are treated as point charges, the electrostatic potential energy is

• A) 2.4 eV
• B) 3.5 eV
• C) 5.4 eV
• D) 6.1 eV
• E) 6.5 eV

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