Problem: Consider the following trend in the lattice energies of the alkaline earth metal oxides:Explain this trend.

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FREE Expert Solution

We are being asked to explain the following the trend in the lattice energies of the alkaline earth metal oxides:

Metal OxideLattice Energy (kJ/mol)
MgO-3795
CaO-3414
SrO-3217
BaO-3029


Recall:

Lattice Energy=|cation charge·anion charge|cation radius + anion radius

Radius = period (i.e. the row in the periodic table) number


 To determine the cation and anion charge, recall that some elements have common charges based on what group they belong to on the periodic table:

85% (63 ratings)
Problem Details
Consider the following trend in the lattice energies of the alkaline earth metal oxides:

Explain this trend.

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