Periodic table Crossword

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Across
  1. 2. you have to follow it on the periodic table
  2. 5. came up with listing elements in order increasing
  3. 7. Most powerful thing a chemist uses
  4. 8. The 7 horizontal lines on the periodic table
  5. 10. increases as the protons grow
  6. 11. Mendeleev insisted elements with similar ___ should be together
  7. 12. above the symbol
  8. 14. the first thing in the periodic table
  9. 15. found on the upper right
  10. 17. below the symbol
  11. 19. nonmetal is non_______
Down
  1. 1. Can also be called a group
  2. 3. The Periodic Table can be used to make predictions
  3. 4. 1 or 2 letter chemical
  4. 6. you can find it on the top
  5. 9. You can predict the chemical ___ in the periodic Table
  6. 11. different things have different ____
  7. 13. can also be called a family in the periodic table
  8. 16. metals can be _____ for electricity
  9. 18. increases as the electrons grow