Why are solids hard and why are their volume fixed ?
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I hope you understand.. that is your answer ..
solid are hards
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Because particles cannot move around and thay do have fixed volume , because the particles are very close to each other.
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In solids the positions of constituent particles like atoms or molecules or ions are fixed i.e., they are not free to move. They are stationary in their fixed position. They have strong intermolecular or interionic forces of attraction. Hence solids are hard.Solids have a definite volume and shape
because particles in a solid vibrate around
fixed locations.
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