Across
- 2. make elements and are represented by subscripts
- 3. table listing atom types
- 5. substances that do not chemically react when combined
- 8. type of change that does not form a new product such as dissolving in H2O or cooling when heat is removed
- 10. chemical ____ occur when atoms rearrange forming new products
- 11. letters counted to find the number of elements in a compound
- 12. pure substances that have not chemically reactedwith other substances
- 13. When a chemical change occurs a new _____ forms.
Down
- 1. cannot be created or destroyed
- 4. H2O & NaCl, not H
- 6. indicates number of atoms per element in compounds
- 7. type of change that produces a new product
- 9. color changed, gas formed, light produced when chemical change occurs
- 14. example of a chemical change