History of the Atom & Periodic Table Crossword

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Across
  1. 1. Mendeleev overcome some of the problems with earlier periodic tables by leaving what?
  2. 2. Who is said to be the 'father of the modern day periodic table'?
  3. 6. What was used to order the periodic table before the discovery of sub-atomic particles?
  4. 7. Who discovered the proton (second name only)?
  5. 8. The name of the model of the atom put forward by J J Thompson.
  6. 10. what did Ernest Rutherford measure in the Gold Leaf experiment?
Down
  1. 1. The name of an element that Mendeleev correctly predicted the properties of?
  2. 3. Which scientist, with a first name of John, was involved in both the development of the periodic table and the development of the atom?
  3. 4. Who discovered the neutron (full name)?
  4. 5. Who modified Rutherford's theory of the atom to put the electrons in fixed shells?
  5. 9. The side of the periodic table that the metals are found on.