Periodic Table Review

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Across
  1. 3. group 1
  2. 5. symbol As
  3. 9. the section below the periodic table
  4. 10. decreases as you go down a group
  5. 11. upper left corner in an element
  6. 14. The most reactive nonmetal
  7. 15. period 18
  8. 16. the size of an ion
  9. 17. The staircase down the periodic table
  10. 18. The densest element
Down
  1. 1. group 17
  2. 2. The first element
  3. 4. d-block
  4. 6. the ability to attract electrons
  5. 7. symbol Au
  6. 8. The most reactive metal
  7. 12. The only liquid metal
  8. 13. symbol Ag