Particle theory: states of matter

Question 1

Name the 3 states of matter.

Answer 1

Solids, liquids and gases.

Question 2

How are particles arranged in a solid?

Answer 2

• Particles in a solid are arranged in a regular pattern
• Though they vibrate they stay in a fixed position and cannot flow.
• They cannot be compressed.
  They have a fixed shape and volume

Question 3

How are particles arranged in a liquid?

Answer 3

• Particles in a liquid are arranged in a random order.
• The particles stay close together but they can flow.
• They cannot be compressed.

Question 4

How are particles arranged in a gas?

Answer 4

• Particles in a gas are far apart and can flow easily.
• They are arranged in a random order and do NOT stay close together.
• They CAN be compressed.

Question 5

What are bonds?

Answer 5

Bonds are a chemical link which hold molecules together.