Question: 7. Lime, CaO, is known to have the same structure as NaCl and the edge length of the unit cell for CaO is 481 pm.

7. Lime, CaO, is known to have the same structure as NaCl and the edge length of the unit cell for CaO is 481 pm. Evaluate the lattice energy for CaO using Born-Lande equation. &o = 8.85410- SI units, e = 1.60210-19 coulombs, Madelung constant for NaCl = 1.74756, Born exponent n = 8. (15 pts)

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