Across
- 2. when a substance becomes a different state of matter
- 5. the amount of mass per volume of a substance
- 6. the basic building block of matter
- 7. the amount of matter in a substance
- 8. the core of an atom
- 9. the amount of space a substance takes up
- 10. a positively charged particle in an atom
Down
- 1. any substance which has mass and takes up space
- 3. when a new substance is made
- 4. a negatively charged particle in an atom
- 8. a particle with no charge in an atom