Brittleness of ionic solids is due to the fact that ions arrange themselves in a way to _ each other.
Correct answer: C. Repel
- A. Attract
- B. Compress
- C. Repel
- D. Overlap
Explanation
To an ionic compound when a force is applied, like charges in the lattice come together due to the force applied and repel each other, breaking the compound hence ionic compounds are brittle, as like charges repel.
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About Shape of Ionic Crystals
Ionic crystal shape depends on the regular arrangement of oppositely charged ions in a three-dimensional lattice. The topic covers coordination number, radius ratios, lattice geometry and structures such as sodium chloride, caesium chloride and zinc sulfide, which should not be confused with the molecular shapes predicted by VSEPR theory.
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