The History of the Atom and the Periodic Table

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Across
  1. 2. What did Mendeleev use to predict properties of other elements
  2. 4. Who put forward the idea of using the atomic number instead of the atomic mass as the organising factor on the Periodic Table
  3. 7. Who discovered the proton
  4. 8. The positive part of an atom
  5. 10. One of the scientists who discovered the nucleus
  6. 11. One of the scientists who discovered the nucleus
  7. 12. The negative part of the atom
Down
  1. 1. What Dalton believed an Atom looked like
  2. 3. Who discovered the electron
  3. 5. Who published the Periodic Table in 1869
  4. 6. What metal was used during the experiment to find the nucleus of the Atom
  5. 9. The neutral part of an atom
  6. 13. Who discovered the neutron