C1.1.3 Limitations Of Particle Model

Question 1

What are the forces between the particles?

Answer 1

These are electrostatic forces of attraction between positive and negative charges.

Question 2

What happens to these forces the further apart the particles are

Answer 2

The forces become weaker

Question 3

Where are the electrostatic forces strongest

Answer 3

In solids

Question 4

Where are the electrostatic forces weakest

Answer 4

In gases

Question 5

The particle model is helpful but not perfect. What are the limitations of the particle model?

Answer 5

• the forces between particles
• the size of particles
• the space between particles