Across
- 2. small particle
- 3. subatomic particle with no charge
- 4. amount of space something takes up
- 6. state of matter with a large amount of space between particles
- 7. subatomic particle with negative charge
- 9. state of matter with little space between particles
Down
- 1. subatomic particle with positive charge
- 3. center of an atom
- 5. has mass and takes up space
- 8. state of matter with some space between particles