Across
- 2. energy levels
- 5. the reactive elements
- 8. change is something that we can touch but not chemical
- 9. to be able to be bend and shaped
- 10. something that's not shiny but not dem
Down
- 1. the number on the outside of the brackets
- 3. electron outer shell electron
- 4. something that breaks easily
- 6. representing a chemical element
- 7. lacking brightness