Periodic Table Crossword.

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Across
  1. 4. The atomic number is in the top is the ___ part of the box.
  2. 9. What is the particle of an atom with a negative cha
  3. 10. What is the first element in the Lanthanide series?
  4. 12. Does group 13 have a positive or negative charge?
  5. 13. What is the element in the fifth period and first g
  6. 14. Group 18 is the __ gasses.
  7. 15. What is the vertical organization of the periodic t
  8. 18. What is group name for group 17?
  9. 20. Which element has the symbol Fe?
Down
  1. 1. What is the element in the 4th period and second group?
  2. 2. Group two is the ____ metals.
  3. 3. Protons + ____ = Mass Number
  4. 5. Groups 3-12 are the ___ metals.
  5. 6. The metals in group 18 are reactive or non reactive?
  6. 7. Group one is the ___ metals.
  7. 8. What element has a mass number of 19?
  8. 11. What is the horizontal organization Of the periodic
  9. 16. What is the atomic number of an element also equal
  10. 17. The mass number is _____ the element symbol.
  11. 19. What is the first element in the Actinide series?