PERIODIC TABLE

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Across
  1. 3. 11TH ELEMENT
  2. 5. 4TH ELEMENT
  3. 8. 3RD ELEMENT
  4. 10. 6TH ELEMENT
  5. 12. 10TH ELEMENT
  6. 13. 7TH ELEMENT
  7. 14. 15TH ELEMENT
Down
  1. 1. 1ST ELEMENT
  2. 2. 2ND ELEMENT
  3. 4. 13TH ELEMENT
  4. 6. 9TH ELEMENT
  5. 7. 14TH ELEMENT
  6. 9. 12TH ELEMENT
  7. 11. 5TH ELEMENT
  8. 15. 8TH ELEMENT