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States of Matter
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How are particles arranged in a liquid
Particles are not so closely packed and have some space between them.
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How are particles arranged in gases
Particles are loosely packed and have lots of space between them.
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Why does the temperature not rise during the change of state of matter?
Because the heat energy is taken up to break the force of attraction between the particles
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What happens to the particles of gas on cooling?
When a gas is cooled, its particles begin to lose energy.
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Why are the particles so closely packed together in solids?
The force of attraction between the particles is strong and binds them together.
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What happens to the particles of solid on heating?
When a solid is heated, the particles gain energy. This weakens the force of attraction
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Why are they loosely packed in gases?
The force of attraction between the particles is hardly present.
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How are particles arranged in solids
Closely packed with no or less space
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