States of Matter (Edexcel GCSE Chemistry Combined Science): Flashcards
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Practise the cards
13 cards from this deck
Why are solids incompressible?
Why are solids incompressible?
Particles close together, no space to compress
Why are gases compressible?
Why are gases compressible?
Large spaces between particles
Particle arrangement in solids
Particle arrangement in solids
Regular pattern
How do particles move in gases?
How do particles move in gases?
Move quickly in all directions
Which state has the highest particle energy?
Which state has the highest particle energy?
Gas
Definition of sublimation
Definition of sublimation
Direct change from solid to gas without becoming liquid
Give an example of sublimation
Give an example of sublimation
Solid carbon dioxide (dry ice)
What energy transfer occurs during melting/boiling?
What energy transfer occurs during melting/boiling?
Energy transferred to substance by heating
Where does evaporation occur in a liquid?
Where does evaporation occur in a liquid?
Surface only
What happens during boiling?
What happens during boiling?
Bubbles of gas form throughout the liquid
How do stronger forces affect melting/boiling points?
How do stronger forces affect melting/boiling points?
Higher melting and boiling points
What energy transfer occurs during condensing/freezing?
What energy transfer occurs during condensing/freezing?
Energy transferred from substance to surroundings
State if temperature < melting point
State if temperature < melting point
Solid