Chemistry Christmas Crossword

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Across
  1. 3. contains elements 60, 39, 10, 20, 20
  2. 4. contains elements 74, 5, 16, 8
  3. 5. contains elements 68, 88, 43, 7, 6, 92
  4. 6. contains elements 60,74,60,8,68,57
  5. 7. contains elements 8, 67, 1, 67
  6. 8. contains elements 53, 17, 99, 53, 6
  7. 13. contains elements 8, 34, 33, 7
  8. 14. contains elements 15, 74, 88
  9. 15. contains elements 68, 6, 2
Down
  1. 1. contains elements 7, 9, 92
  2. 2. contains elements 7, 13, 33, 34, 8
  3. 3. contains elements 42, 49, 6, 7, 11
  4. 9. contains elements 13, 8, 6
  5. 10. contains elements 27, 99, 53, 8, 19
  6. 11. contains elements 8, 74, 50
  7. 12. contains elements 74, 85, 75, 1
  8. 13. contains elements 68, 53, 16, 23, 1