AP Chemistry
1.8 Valence Electrons and Ionic Compounds
1.7 Periodic Trends
1.5 Atomic Structure and Electron Configuration
The table below provides the ionic radii for several ions.
Based on Coulomb's law and the data in the table, which of the following correctly ranks the magnitude of the lattice energy for the ionic solids \(\text{MgO}\), \(\text{CaO}\), \(\text{NaF}\), and \(\text{NaCl}\) from greatest to least?
| Ion | Ionic radius (\(\text{pm}\)) |
|---|---|
| \(\text{Mg}^{2+}\) | \(72\) |
| \(\text{Ca}^{2+}\) | \(100\) |
| \(\text{Na}^{+}\) | \(102\) |
| \(\text{F}^{-}\) | \(133\) |
| \(\text{O}^{2-}\) | \(140\) |
| \(\text{Cl}^{-}\) | \(181\) |
Based on Coulomb's law and the data in the table, which of the following correctly ranks the magnitude of the lattice energy for the ionic solids \(\text{MgO}\), \(\text{CaO}\), \(\text{NaF}\), and \(\text{NaCl}\) from greatest to least?
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