Question

why are the particles in liquid held together less firmly as compared to solids?

Answer 1

When the particles are bound together firmly they form solids. In solids, theparticles simply vibrate about their fixed positions, because their kinetic energy is low and not enough to let them break away from their mutual force of attraction. Therefore, solids have definite shapes, volumes and are not compressible.

Answer 2

They are held tightly together by strong forces of attraction. They areheld in fixed positions but they do vibrate. Because the particles don't move, solids have a definite shape and volume, and can't flow. Because the particles are already packed closely together, solids can't easily be compressed...

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