contestada

Why can liquids change shape but solids cannot?
A. The force of gravity is stronger in liquids than in solids.
B. The forces holding the atoms together are stronger in liquids than
in solids.
C. The forces holding the atoms together are weaker in liquids than
in solids.
D. The force of gravity is stronger in solids than in liquids.

Respuesta :

Answer: c
Explanation:
The intermolecular forces in liquid have less strength, that's why liquid molecules are able to move freely but confinely. In solids, they are rigid due to strong intermolecular forces and definite shape and volume due to rigidity and incompressible nature.

The forces holding the atoms together are weaker in liquids than in solids.

Why can't solid things change their shape?

In a solid, these particles are packed closely together and are not free to move about within the substance. Molecular motion for the particles in a solid is confined to very small vibrations of the atoms around their fixed positions; therefore, solids have a fixed shape that is difficult to change.

Why can liquids change shape?

The forces between liquid particles are weaker than the forces between solid particles. This means that liquid particles are further apart and can move about more easily. Since the particles can move, the liquid can flow and take the shape of its container.

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