Across
- 1. is a substance or compound that causes a chemical reaction
- 4. It is a chemical element found in the air
- 5. It is a process where a substance changes its molecular structure and its bonds, appearing in a new way
- 8. Action of transforming
- 9. Are transformations that can change the state of any material
- 10. Result of a job or operation
- 11. It is a chemical element and its compounds
Down
- 2. Thermal degree or level of a body or place
- 3. Is a symbolic description of a chemical reaction
- 6. Process by which elements in a system undergo chemical changes
- 7. Relationship between two or more people or things
- 9. It is a sequence to reach a goal