States of Matter (AQA GCSE Chemistry Combined Science): Flashcards
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Properties of solids: shape and flow
Properties of solids: shape and flow
Fixed shape, cannot flow
Why are solids incompressible?
Why are solids incompressible?
Particles very close, no space to move closer
Properties of liquids: flow and shape
Properties of liquids: flow and shape
Can flow and take shape of container
Why are gases compressible?
Why are gases compressible?
Large spaces between particles
Arrangement of particles in solids
Arrangement of particles in solids
Closely packed in regular pattern
Movement of particles in liquids
Movement of particles in liquids
Move around each other
Energy level of particles in gases
Energy level of particles in gases
Highest energy
Sublimation definition
Sublimation definition
Solid to gas directly without liquid phase
Energy transfer in melting/boiling
Energy transfer in melting/boiling
Energy must be transferred to the substance
Where evaporation occurs in a liquid
Where evaporation occurs in a liquid
From surface only
What happens during boiling?
What happens during boiling?
Bubbles of gas form throughout the liquid
Effect of stronger forces on melting/boiling points
Effect of stronger forces on melting/boiling points
Higher melting and boiling points
Energy transfer in condensing/freezing
Energy transfer in condensing/freezing
Energy transferred from substance to surroundings
Can evaporation occur below boiling point?
Can evaporation occur below boiling point?
Yes, at temperatures below boiling point
State when temperature > boiling point
State when temperature > boiling point
Gas