Periodic Table Crossword

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Across
  1. 1. The smallest element on the Periodic Table
  2. 6. The only non-metal that's liquid at room temperature
  3. 9. This element has 3 energy levels and a full valence shell
  4. 10. Group 18 on the Periodic Table
  5. 12. Group 2 on the Periodic Table
  6. 13. Different compounds made from the same element
  7. 16. The first element in Group 14
  8. 17. Found along the "staircase" line on the Periodic Table
  9. 18. Halogen that sublimates into a purple gas when heated
  10. 19. Element found in Group 1, Period 4
  11. 20. Name for the columns on the Periodic Table
Down
  1. 2. What all elements in the same Period have in common
  2. 3. When two atoms of the same element bond together
  3. 4. Found mainly on the left side of the Periodic Table
  4. 5. Group 1 on the Periodic Table
  5. 7. Group 17 on the Periodic Table
  6. 8. What all elements in the same Group have in common
  7. 11. Name for the rows on the Periodic Table
  8. 14. Found mainly on the right side of the Periodic Table
  9. 15. Group 2 element that produces a bright white light when burned