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CBSE Class 12-science Answered

Give reasons why are ionic crystals hard and brittle.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Binding energy  in ionic crystal ranges between 400 to 4000 kj/mol and its melting point is upto 1500K. Ionic crystal is made of ions bonded to each other by ionic bond which is non directional so they are hard and brittle .

Answered by | 04 Jun, 2014, 03:23: PM

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