Particle model of substances in the gas state

12 questions

1. What is a particle?
2. When a substance is compressed, it is said to take up ___ space than before.
3. What happens to the particles in a substance when it changes from the liquid to solid state?
4. When a substance changes from solid state to liquid state, it is said to have ___.
5. In which state of matter are particles closest together?
6. True or False? When a substance changes state, its mass will change (either increase/decrease)?
7. Which state of matter allows particles to fill the whole of a container and be compressed?
8. What is the primary characteristic of the movement of particles in the gas state?
9. Order the following states of matter based on the strength of the forces of attraction between particles. Start with the state of matter which has the strongest forces of attraction between particles.
10. Which is the correct definition of compression, when referring to substances in the gas state being compressed?
11. Why can substances in the gas state flow and fill the shape of their container?
12. Between particles in the gas state there is ___.

License: OGL