Across
- 2. Envisaged a "plum pudding" model of the atom.
- 6. Discovered the neutron.
- 8. Measured the charge on the electron using his oil drop experiment.
- 9. Amazed at his gold foil experiment.
- 10. German chemist who worked on "Triads".
- 12. Investigated cathode rays in vacuum tubes.
- 13. Proposed a theory for the arrangement of electrons in atoms based on emission line spectra.
- 14. They would be no periodic table without him.
- 16. Received Nobel prize for work on radioactivity.
Down
- 1. Famous for his Atomic Theory.
- 3. Famous for his "Law of Octaves".
- 4. First discovered radioactivity.
- 5. It is not possible to measure the velocity and position of an electron at the same time.
- 7. Proposed the name "electron".
- 11. Discovered a method of determining the number of protons in the nucleus of an atom.
- 15. Using electrolysis, discovered a number of elements on the periodic table.