Periodic table

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Across
  1. 3. 8th element of the periodic table
  2. 4. 7th element of the periodic table
  3. 7. 4th element of the periodic table
  4. 9. 36th element of the periodic table
Down
  1. 1. 64th element of the periodic table
  2. 2. 1st element of the periodic table
  3. 5. 47th element of the periodic table
  4. 6. The 5th element of the periodic table
  5. 8. 57th element of the periodic table