A one-dimensional model of an ionic crystal consists of a line of alternating positive and negative ions

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A one-dimensional model of an ionic crystal consists of a line of alternating positive and negative ions with distance r0 between each ion.

(a) Show that the potential energy of attraction of one ion in the line is

2ke? 1- 1.1 1 1 2 3 4 5

(b) Using the result that

A one-dimensional model of an ionic crystal consists of a

Show that the Madelung constant for this one-dimensional model is α = 2 ln 2 =1.386.


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