Chemistry Revision Flashcards
How many materials a substance is made up of
One material
What all materials are made up of
Particles
The property of a substance describes:
What it looks like and how it behaves
There are _____ types of matter
Three types
In different states, the particles move:
Differently
The property of a substance depends on:
What the particles are like and how they are arranged
In different states the particles have different:
Arrangements
In the solid state:
The particles cannot be compressed or flow
In the liquid state:
Particles cannot be compressed but can flow
In the gas state:
Particles can be compressed and can flow
The change from solid to liquid
Melting
What a substance melts at
A melting point
Pure substances have pure:
Melting points
The change from liquid to gas
Condensing
The change from liquid to solid
Freezing
The change from gas to liquid
Condensing
The change from gas to solid
Sublimation
Diffusion is:
The random mixing and moving of particles
The collisions caused by gas particles cause:
Gas pressure
Gas particles collide with:
The walls of their container