Periodic Table

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Across
  1. 4. only metal that is liquid at room temperature
  2. 7. used to make diamonds
  3. 10. second place medal in olympics
  4. 11. most reactive nonmetal
  5. 12. half a dime
  6. 14. the symbol for this element is Hs
  7. 15. have properties of metals and nonmetals
  8. 17. very shiny and ductile
  9. 18. name of groups 3 to 12
  10. 19. used in wires
  11. 20. column on the periodic table
  12. 21. name of group 18
  13. 24. a system showing that a music record has been sold alot
  14. 27. the element we need to breathe
Down
  1. 1. used in shop signs
  2. 2. radio active element often used in nucleur power stations
  3. 3. represents an element
  4. 5. found in pool
  5. 6. usually found in milk & cheese
  6. 8. what you usually use to make glass
  7. 9. number of protons and neutrons in an atom
  8. 13. name of group 1
  9. 14. makes your voice sound squeeky
  10. 16. name of song by David Guetta and Sia
  11. 19. name of group 16
  12. 21. very brittle and unmalleable
  13. 22. subatomic particle with a negative charge
  14. 23. name of group 17
  15. 25. a word that means purple in Greek (old language)
  16. 26. what you call someone stupid that starts with a "b"
  17. 28. use to make jewlery