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Which one of the following statements is true?
Molecules in gases and liquids possess kinetic energy since they are in constant motion, while molecules in solids are not in motion and hence possess no kinetic energy.
Polyatomic molecules possess kinetic energy in the liquid and gaseous states since the atoms can move about in the molecule and the molecule cannot move.
Since solids are rigid, their molecules do not possess kinetic energy unless the solid is melted.
Molecules in gases, liquids and solids possess kinetic energy since they are in constant motion.
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Molecules in gases and liquids possess kinetic energy since they are in constant motion, while molecules in solids are not in motion and hence possess no kinetic energy.
Polyatomic molecules possess kinetic energy in the liquid and gaseous states since the atoms can move about in the molecule and the molecule cannot move.
Since solids are rigid, their molecules do not possess kinetic energy unless the solid is melted.
Molecules in gases, liquids and solids possess kinetic energy since they are in constant motion.