1-20 Elements of Periodic Table

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Across
  1. 4. The fifth element of the periodic table
  2. 6. The thirteenth element of the periodic table
  3. 7. The fourteenth element of the periodic table
  4. 9. The first element of the periodic table
Down
  1. 1. The ninth element of the periodic table
  2. 2. The twentieth element of the periodic table
  3. 3. The eleventh element of the periodic table
  4. 5. The sixth element of the periodic table
  5. 8. The seventeenth element of the periodic table