Periodic Table

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12345678910111213
Across
  1. 2. He grouped the elements into 4 lists
  2. 4. group 18 name
  3. 7. the second group name
  4. 9. group 17 name
  5. 10. The maker of the modern periodic table
  6. 12. the first group name
Down
  1. 1. bottom two periods
  2. 3. The maker of the first periodic table
  3. 5. group 16 name
  4. 6. groups 3-12 name
  5. 8. The modern pt is arranged by this
  6. 11. He says the element's properties repeat every 8
  7. 13. the first pt is arranged by this number