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States of matter

GCSE chemistry and combined chemistry

QuestionAnswer
Define mixture A substance made of more than one thing not chemically bonded together
What are the 3 states of matter? Solid, liquid and gas
What is the change from a solid to a liquid called? Solid à liquid – melting
If the temperature is above the melting point of a substance but below the boiling point of a substance what state will it be in? Liquid
If the temperature is below the melting point of a substance and below the boiling point of a substance what state will it be in? Solid
If the temperature is above the melting point of a substance and above the boiling point of a substance what state will it be in? Gas
What is the change from a liquid to a gas called? Liquid à gas – evaporation
What is the change from a gas to a liquid called? gas à liquid – condensation
What is the change from a liquid to a solid called? liquid à solid – freezing
Describe the arrangement of the particles in a solid particles closely packed, in a regular arrangement
Describe the arrangement of the particles in a liquid particles closely packed, but in a random arrangement
Describe the arrangement of the particles in a gas particles spaced far apart in a random arrangement
A substance has a melting point of 25 oC and a boiling point of 235 oC. What state is it at 5oC? Solid
A substance has a melting point of -125 oC and a boiling point of -35 oC. What state is it at 15oC? Gas
A substance has a melting point of -25 oC and a boiling point of 35 oC. What state is it at 25oC? liquid
Describe how the particles change in arrangement when a solid turns into a liquid Forces between particles weaken and they move more freely. The particles are not arranged in order
Describe how the particles change in arrangement when a liquid turns into a solid Forces strengthen, particles move close together in ordered rows
Describe how the particles change in arrangement when a gas turns into a liquid Forces strengthen, particles move closer together
Describe how the particles change in arrangement when a liquid turns into a gas Forces between particles weaken and they move freely. They are spaced far apart
Created by: JBearfield
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