Directions Label each statement by the scientist who suggested it. Use D for Dalton or T for J. J. Thomson. anode cathode electrode Directions Answer each question on the lines. Use complete sentences. _________ 8. Atoms cannot be divided into smaller parts. _________ 9. Chemical reactions occur when atoms separate, join, or rearrange. 14. What was being studied when electrons were discovered? _________ 12. A cathode ray contains matter, not energy. Click here for Main Menu Robert Millikan