Periodic Table of Elements

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Across
  1. 4. What does the chemical symbol H stand for?
  2. 6. What are the vertical columns on the periodic called?
  3. 8. The Modern Periodic Table of Elements is arranged by(2)
  4. 9. Metals are found on the ______________ side of the periodic table.
  5. 10. What does the chemical symbol Na stand for?
Down
  1. 1. If there are 8 protons what element does it identify?
  2. 2. What is the organizational system or chart for elements?
  3. 3. Which element is found in period 3 group 2?
  4. 5. This element is in pencils
  5. 7. What do you call the horizontal row of elements in a periodic table of elements?