chemistry
Across
- 5. the smallest particle of a chemical element that can exist
- 7. a chemical reaction in which an acid and a bare interact with the formation of a salt
Down
- 1. a substance that takes part in and undergoes change during a reaction
- 2. change irreversible chemical reaction of new substance
- 3. the process of burning something
- 4. change changing forms of a chemical substance
- 6. resulted substance in a result of a chemical reaction