Question

give
reasons (a) ionic compound are usualy hard.​

Answer 1

Answer:

Ionic compounds are extremely hard because it is difficult to make the ions move apart from each other in a crystal.

Answer 2

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give reasons (a) ionic compound are usualy hard.

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$\longrightarrow$ This electrostatic force is the main reason for hardness of ionic compounds. ... The oppositely charged ions in an ionic compound are packed tightly with each other and form a crystalline structure which is very hard and rigid.

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