Why are ionic compounds brittle and metals malleable?
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In ionic compounds, electrons are tightly held by the ions, and the ions cannot move translationally relative to each other. This explains many properties of ionic solids. They are hard and brittle, they are not malleable or ductile (i.e. cannot be shaped without cracking/breaking), and they do not conduct electricity.
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In ionic compounds, electrons are tightly held by the ions , and the ions cannot move translationally relative to each other. This explains many properties of ionic solids. They are hard and brittle,they are not malleable and ductile and they do not conduct electricity.
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