The three states of matter (AQA GCSE Chemistry Combined Science): Flashcards
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Three states of matter
Three states of matter
Solid, liquid, gas
Particle arrangement in solids
Particle arrangement in solids
Tightly packed, vibrate in fixed positions
Particle arrangement in liquids
Particle arrangement in liquids
Close together, move around each other
Particle arrangement in gases
Particle arrangement in gases
Far apart, move freely in all directions
What do heating & cooling change?
What do heating & cooling change?
Energy of particles
State change: solid → liquid
State change: solid → liquid
Melting
State change: liquid → gas
State change: liquid → gas
Boiling
State change: gas → liquid
State change: gas → liquid
Condensing
State change: liquid → solid
State change: liquid → solid
Freezing
Reversibility of state changes
Reversibility of state changes
Yes, reversible - no chemical change occurs
Strong forces & melting/boiling points
Strong forces & melting/boiling points
High melting and boiling points
Weak forces & melting/boiling points
Weak forces & melting/boiling points
Low melting and boiling points
Simple molecules: forces & melting pt
Simple molecules: forces & melting pt
Weak intermolecular forces, low melting points