chemistry

12345678910
Across
  1. 2. energy levels
  2. 5. the reactive elements
  3. 8. change is something that we can touch but not chemical
  4. 9. to be able to be bend and shaped
  5. 10. something that's not shiny but not dem
Down
  1. 1. the number on the outside of the brackets
  2. 3. electron outer shell electron
  3. 4. something that breaks easily
  4. 6. representing a chemical element
  5. 7. lacking brightness