Periodic Table

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Across
  1. 4. Atomic Number of 18
  2. 6. Atomic Number of 7
  3. 8. Two chemically fused elements
  4. 12. Atomic Number of 1
  5. 13. Atomic Number of 9
  6. 14. Atomic Number of 3
  7. 15. Atomic Number of 29
Down
  1. 1. Atomic Number of 47
  2. 2. Atomic Number of 26
  3. 3. Atomic Number of 5
  4. 5. Two elements mixed, but able to be separated without chemical means
  5. 7. Atomic Number of 8
  6. 9. The table of which information on all known elements is held.
  7. 10. Atomic Number of 3
  8. 11. One who studies Chemistry