Problem: For the following pair, choose the compound with the larger lattice energy, and explain your choice:CaO or CaS

FREE Expert Solution

Recall: Lattice energy is the energy required to combined gaseous ions to form one mole of a ionic compound. It can be approximated using the equation:

The cation and anion radius can be approximated by using the period number of the ions.

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Problem Details

For the following pair, choose the compound with the larger lattice energy, and explain your choice:

CaO or CaS