Across
- 2. milk
- 3. substance that takes up space
- 6. particles that are neutral
- 8. state of matter:star
- 10. components are chemically bonded
- 11. positively charged particles
Down
- 1. components are not chemically bonded
- 4. on the periodic table
- 5. oxygen
- 7. negatively charged particles
- 9. smallest unit of matter