Across
- 2. particles of an atom
- 4. example of a metal
- 8. salt
- 10. the smallest element
- 11. the smallest particles of a substance
- 12. copper
- 14. one of the element
Down
- 1. low melting point
- 3. states of matter
- 5. everything that has mass and takes up space
- 6. high melting point
- 7. carbon dioxide
- 9. classification of matter
- 13. tin
- 14. water