Periodic Table 10/30

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Across
  1. 2. How the columns are organized
  2. 4. The last element on the periodic table
  3. 5. The chemical symbol for Helium
  4. 7. where you can find the number of protons
  5. 9. The chemical symbol Fe stands for
  6. 10. Elements 57-71
  7. 12. How the rows are organized
  8. 14. The middle most element (number wise)
  9. 16. The chemical symbol for carbon
  10. 18. The Periodic Table of_____
  11. 20. Columns on the periodic table
Down
  1. 1. Element 117
  2. 3. Elements whose valence shells are full
  3. 6. If you subtract the atomic number from this number you get the number of neutrons
  4. 8. The chemical symbol k stands for
  5. 11. The first element on the periodic table
  6. 13. The chemical symbol for Lithium
  7. 15. Elements 89-103
  8. 17. Rows on the periodic table
  9. 19. The chemical symbol for gold