Chemistry Crossword

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Across
  1. 2. This element normally has 31 electrons
  2. 6. a table of the chemical elements arranged in order of atomic number.
  3. 7. is the elemental symbol for Helium
  4. 10. The far right column on the periodic table is this group: _________ gasses.
  5. 12. Ag is the chemical symbol for this element.
  6. 13. This element has just 1 proton and 1 electron
  7. 15. This element has an atomic weight of 15.999
  8. 17. neutrally charged particle
  9. 18. this is the symbol for chlorine.
  10. 19. is the elemental symbol for Bromine
  11. 20. positively charged particle
  12. 22. this elements atomic number is 78
  13. 25. This elements symbol is "Au"
  14. 26. sodium has this symbol
  15. 27. This element symbol is "Ni".
Down
  1. 1. This elements atomic number is 14
  2. 3. Element # 6 is essentail for life as we know it.
  3. 4. This element has 27 protons
  4. 5. This elements symbol is "Hg".
  5. 6. Each horizontal row on the periodic table is called a ________.
  6. 8. This element has just 3 protons
  7. 9. This element has an atomic number of 10
  8. 11. This elements symbol is "Fe".
  9. 14. negatively charged particle
  10. 16. This element has 7 protons and 7 electrons.
  11. 21. Li,Na,K,RB,CS,Fr are all part of this group.
  12. 23. This elements symbol is "Sn".
  13. 24. has an atomic weight of 24.305