The Periodic Table Crossword

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Across
  1. 4. my element symbol is HF
  2. 5. my atomic mass is 126.90447
  3. 6. i have a symbol of ES
  4. 9. my atomic number is 34
  5. 10. my atomic number is 4
  6. 13. my element symbol is FE
  7. 14. my element symbol is CA
  8. 15. i have a symbol of W
  9. 18. my atomic number is 32
  10. 20. my element symbol is CU
Down
  1. 1. my atomic mass is 24.305
  2. 2. my element symbol is AU
  3. 3. my atomic mass is 69.723
  4. 7. my element symbol is TI
  5. 8. i ahve an atomic number of 42
  6. 11. i am in an outdoor thermometer i am the red stuff
  7. 12. my element symbol is PB
  8. 16. my element symbol is AG
  9. 17. my atomic number is 28
  10. 19. i have a atomic number of 51