Periodic Table

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Across
  1. 2. Strong, good conductors, shiny
  2. 4. Electric charge for a proton
  3. 5. How many protons are in Carbon
  4. 7. Goes up and down the periodic table
  5. 11. metalloids are located
  6. 13. symbol for neon
  7. 15. symbol for gold
  8. 16. Goes left to right on the periodic table
  9. 17. How many neutrons does Aluminum have?
  10. 19. to become a negative ion, an atom must __ an atom
  11. 20. To become a positive ion, an atom must __ an atom
Down
  1. 1. who created the first periodic table
  2. 3. negative electric charge
  3. 6. Going from top to bottom on the periodic table , The atomic mass __
  4. 8. where are electrons located
  5. 9. Has 26 protons
  6. 10. How many periods are there in the periodic table
  7. 12. The elements in group one are also called
  8. 14. The number of ____ is the same as the atomic number
  9. 18. Weak, not good conductors, brittle