Problem: For each pair, choose the compound with the higher lattice energy, and explain your choice:(a) CaO or CaS;(b) BaO or SrO

FREE Expert Solution

Recall:

Lattice Energy=|cat+ charge×an- charge|cat. period #+an. period #


(a) CaO or CaS

CaO → Ca2+ + O2–

CaS → Ca2+ + S2–


Ca: Period 4

O: Period 2

S: Period 3

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Problem Details

For each pair, choose the compound with the higher lattice energy, and explain your choice:

(a) CaO or CaS;

(b) BaO or SrO

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What scientific concept do you need to know in order to solve this problem?

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