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Sodium fluoride adopts the NaCl (FCC) structure type. Estimate the lattice energy, ΔU, for NaF using...

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Chemistry

Sodium fluoride adopts the NaCl (FCC) structure type. Estimatethe lattice energy, ΔU, for NaF using the Born–Lande equation. Thebond length for Na–F is 235 pm, and the Madelung constant is1.7476. The Born exponent of both the cation and the anion is7.

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3.7 Ratings (562 Votes)
The lattice energy of a crystalline solid is usually defined asthe energy of formation of the crystals from infinitelyseparatedions and as such is invariably positiveBornLande equationwhereNA    See Answer
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