Ionic Bonding (Section)NaCl and KF have the same crystal
Chapter , Problem 22E(choose chapter or problem)
\(\mathrm{NaCl} and \mathrm{KF}\) have the same crystal structure. The only difference between the two is the distance that separates cations and anions.
(a) The lattice energies of \(\mathrm{NaCl} and \mathrm{KF}\) are given in Table 8.2. Based on the lattice energies, would you expect the \(\mathrm{Na}-\mathrm{Cl} or the \mathrm{K}-\mathrm{F}\) distance to be longer?
(b) Use the ionic radii given in Figure 7.8 to estimate the \(N a-C l and K-F\) distances.
Cation and anion size. Radii, in angstroms, of atoms and their ions for five groups of representative elements.
Equation Transcription:
Text Transcription:
NaCl and KF
NaCl and KF
Na-Cl or the K-F
Na-Cl and K-F
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