Across
- 5. everything that has mass and takes up space
- 6. abbreviation next to element name
- 8. the negative atom
- 10. state of matter that doesn't move
- 12. number indicating elements mass
- 13. something made up of the number of protons
Down
- 1. number top left of element
- 2. how much space something takes up
- 3. something that has a physical body
- 4. the neutral atom
- 7. number indicating number of protons
- 9. the positive atom
- 11. state of matter that moves freely
- 14. state of matter that slightly moves