States of Matter and Mixtures

Describe the particles in a solid. (4 things)

• Fixed positions.

• In a regular pattern.

• Vibrate more the hotter they are.

• Close together.

Describe the particles in a liquid. (2 things)

• Close together.

• Move past eachother while vibrating.

Describe the particles in a gas. (2 things)

• In random places.

• Move at high speeds.

What is the boiling point of water?

100 degrees celcius.

What is the melting point of water?

0 degrees celcius.

What happens when a substance is melted?

Energy is transferred from the surroundings.

Are there chemical bonds in mixtures?

No.

Are there chemical bonds in compounds?

Yes.

How can mixtures be separated?

Physical processes.

How can compounds be separated?

Chemical reactions.