Periodic table, Tommy Lowe

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Across
  1. 5. Year Mendeleev organized the elements
  2. 6. Types of elements(solids, liquids, etc.)
  3. 9. Organized the elements
  4. 10. Number of protons
  5. 11. English word for a certain element
  6. 12. Chart showing all elements
Down
  1. 1. Symbol for each individual element
  2. 2. Number of elements in 1869
  3. 3. A square in the periodic table
  4. 4. Protons + Neutrons
  5. 7. Word for in a regular, repeated pattern
  6. 8. Mendeleev's first name