Among iron, chalk and wood, iron is hardest to break. It is because

Space between atoms of iron is largest.

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Iron molecules are biggest in size.

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Intermolecular forces of attraction are the strongest in iron.

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Since all three are solid, so it will be equally hard to break them.

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Solution

The correct option is C
Intermolecular forces of attraction are the strongest in iron.

Iron has the strongest intermolecular forces of attraction, so it is hardest to break.

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Similar questions

Among iron, chalk and wood, iron is hard to break. It is because

Q. Try to break a piece of chalk, a piece of charcoal and a piece of iron.
In which of the above three substances would you find the force of attraction between the particles to be highest?

If we dissolve sugar in water the sugar molecules break and get into the spaces of water molecule but when a piece of iron is placed into water it donot dissolve , why sugar breaks into molecules and iron donot.

Q. Two small iron particles, each of mass

280 m g

, are placed at a distance

10 c m

apart. If

0.01 %

of the electrons of one particle are transferred to the other, find the electric force between them. Atomic weight of iron is

56 g m o l^{- 1}

and there are

26

electrons in each atom of iron.

Statement I: Iron and wood are two different substances.

Statement II: Atomic configuration of iron and wood are same but their arrangement in the subsequent substance is different.

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Among iron, chalk and wood, iron is hardest to break. It is because

The correct option is C Intermolecular forces of attraction are the strongest in iron. Iron has the strongest intermolecular forces of attraction, so it is hardest to break.

The correct option is C
Intermolecular forces of attraction are the strongest in iron.

Iron has the strongest intermolecular forces of attraction, so it is hardest to break.