Chemistry
Give a reason why-
(a) Solids have a definite volume and a definite shape
(b) Liquids have a definite volume but no definite shape
(c) Gases have no definite volume and no definite shape.
Matter
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Answer
(a) Solids have negligible intermolecular space as the molecules are closely packed and the force of attraction is maximum. This arrangement of molecules gives them a definite volume and a definite shape.
(b) In liquids the molecules are less tightly packed as compared to solids, so the intermolecular space is larger and force of attraction is weaker. This gives them a definite volume but no definite shape.
(c) In gases the molecules are far apart so the intermolecular space is very large and the force of attraction is the least. Hence, gases have no definite volume and no definite shape.
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