Across
- 1. are broken in a chemical change
- 3. in it new substances are formed
- 4. can be written before a formula
- 7. the smallest part of a compound
- 8. it is a physical property
- 9. are the result of a chemical reaction
- 11. it can never be changed
Down
- 1. a chemical equation must be like this
- 2. a law reguarding mass
- 5. water in gaseous form
- 6. a solid becoming liquid
- 10. a substance made of many elements
- 12. the smallest part of an element