The interaction energy between Na + and Cl - ions in the NaCl crystal can be written
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The interaction energy between Na+ and Cl- ions in the NaCl crystal can be written as
where the energy is given in joules per ion pair and the interionic separation r is in meters. The numerator unit of the first term is J-m and the second term is J-m8. Calculate the binding energy and the equilibrium separation between the Na+ and Cl- ions.
Transcribed Image Text:
E(r) = 4.03 x 10-28 6.97 x 10-9%
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