Question

Why a piece of chalk can de broken into small particles on hammering , but it is not possible to break a piece of iron in the same fasion?

Answer 1

Hey Mate!!!

Here's your answer:

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Force of attraction between particles of chalks is less than force of attraction between particles of iron and because of weak forces of attraction in chalk piece, we are able to break it easily and it's difficult to break a piece of iron.

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Hope it did a little bit help to you ♡

Answer 2

The particles in the chalk are lossly bonded with each other as it forms a covalent bond having less force of attraction in the molecules.

While in case of iron the atoms are strongly bonded by metallic bonding

which posses great attraction force

And hence unbreakable like a chalk