AP Chemistrymediummcq1 pt
Why are ionic solids brittle?
A.Shifting layers aligns like charges
B.Their bonds are covalent
C.They contain water molecules
D.Their electrons cannot move
Explanation
Core Concept
Deforming an ionic lattice slides cation layers past anion layers, bringing like charges together. The sudden repulsion shatters the crystal rather than bending it.
Correct Answer
AShifting layers aligns like charges
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