Periodic Table

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12345678910111213141516
Across
  1. 3. Group 13, Period 2
  2. 6. Si
  3. 7. He
  4. 8. Group 13, Period 3
  5. 10. Hg
  6. 12. Group 2 Period 4
  7. 13. Ne
  8. 15. Group 8, Period 4
  9. 16. Au
Down
  1. 1. Co
  2. 2. H
  3. 4. Li
  4. 5. Group 12, Period 4
  5. 8. As
  6. 9. Group 18, Period 3
  7. 11. Group 14, Period 2
  8. 14. O