Periodic Table

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Across
  1. 3. The elements in group 1.
  2. 5. The elements touching the stairstep line.
  3. 6. The elements in group 18.
  4. 8. Something that repeats at regular intervals.
  5. 9. The elements to the left of the stairstep line.
  6. 10. The elements to the right of the stairstep line.
  7. 11. Elements have repeating patterns of properties
Down
  1. 1. The elements in group 2.
  2. 2. The elements in group 17.
  3. 4. The elements in groups 3-12.
  4. 7. Vertical columns on the periodic table.
  5. 11. Horizonal rows on the periodic table.