The Periodic Table

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Across
  1. 5. an element with similar properties as helium
  2. 7. number of groups on the periodic table
  3. 9. metals in group 1
  4. 11. elements in group 18
  5. 12. a column on the periodic table
  6. 14. elements in group 17
Down
  1. 1. table of elements arranged by increasing atomic number
  2. 2. elements in groups 3-12
  3. 3. metals in group 2
  4. 4. elements found on the right side of the periodic table
  5. 6. number of periods on the periodic table
  6. 8. elements found on the left side of the periodic table
  7. 10. an element with similar properties as sodium
  8. 13. a row on the periodic table