Across
- 4. horrizontal row
- 6. solid from liquid
- 8. gas
- 11. a mixture of substances
- 12. packed atoms
- 13. new substance
- 15. measurement of space
Down
- 1. chemical composition
- 2. physically combined
- 3. two or more elements
- 5. fluid
- 7. table of elements
- 9. from chemical reaction
- 10. separating solids
- 14. vertical column
- 16. a pure substance