Does this estimate agree with the prediction

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Reference no: EM131025451

NaCl and KF have the same crystal structure. The only difference between the two is the distance that separates cations and anions.

(a) The lattice energies of NaCl and KF are given in Table. Based on the lattice energies, would you expect the Na-Cl or the K-F distance to be longer?

(b) Use the ionic radii given in Figure to estimate the Na-Cl and K-F distances. Does this estimate agree with the prediction you made based on the lattice energies?

TABLE 8.2	- Lattice Energies Lattice Energy fld/rnol)	for Some Ionic Compound	Compounds Lattice Energy (10/mol)
Compound	- Lattice Energies Lattice Energy fld/rnol)	for Some Ionic Compound	Compounds Lattice Energy (10/mol)
LiF	1030	MgCJ₂	2326
LiCI	834	Sick	2127
Lil	730
VF	910	MgO	3795
Na(]	788	CaO	3114
NaBr	732	Sr0	3217
Nal	682
ICE	808	ScN	7547
KCI	701
KBr	671
CACI	657
Cs1	600

Reference no: EM131025451

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