3 states of matter

what does matter mean?

Anything that has mass and takes up space (with particles in constant motion)

What is matter made of?

Atoms, molecules, ions

What are the 3 states of matter?

solid, liquid, gas

Name the properties of a solid

Fixed shape, fixed volume, cannot be compressed

Describe the particles in a solid

The particles in a solid are packed closely together in a fixed arrangement held by forces, they vibrate constantly

Name the properties of liquid

Takes shape of container, fixed volume, cannot be compressed.

Describe the particles in a liquid

The particles in a liquid are close together in a changing, random arrangement held by weaker than solid forces, they can move around

Name the properties of gas

Expands to occupy space, no fixed volume, can be compressed

Describe the particles in a gas

The particles in a gas are much further apart in a random arrangement where no forces are holding them together, they move very quickly

What is the interconversion from gas to liquid?

condensation

Does condensation absorb (put in) or release (taken out) energy?

release

What is the interconversion from liquid to solid?

freezing/solidification

Does solidification absorb or release energy?

Release

What is the interconversion from solid to gas?

sublimation

What is the interconversion from gas to solid?

Deposition

What is the interconversion from solid to liquid?

melting

Does melting absorb or release energy?

absorb

What is the interconversion from liquid to gas?

Evaporation/boiling

Does evaporation absorb or release energy?

absorb

How can you determine if a substance is pure or impure?

You boil it. It is pure if it boils at a specific temperature.