periodic table crossword

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Across
  1. 2. Number what is the number in the top left corner?
  2. 6. what compound is a primary source of sodium
  3. 8. symbol what are the big letters called
  4. 10. batteries have _________ in them
  5. 11. ______, conductors, malleable, ductile,and solid are all properties of metal
  6. 13. which element has 24 protons
  7. 14. what is the most reactive of all the elements
  8. 15. every period has the same number of _______
  9. 16. fireworks have __________ in them
  10. 17. ______is the only nonmetal not on the right of the stairs step line
  11. 19. fit #57-#102 are on the bottom because they ___________
Down
  1. 1. what is a primary source of potassium
  2. 3. on the left of the stairs step line
  3. 4. _______ is needed for strong bones
  4. 5. how many valence electrons does lithium have
  5. 6. step metalloids are along the________ line
  6. 7. which element is in the 3rd period, 2nd group
  7. 9. all but which metal becomes solid at room temp.
  8. 12. do meatless form positive or negative ions
  9. 18. each________ has the same amount of electrons