Element Crossword

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Across
  1. 2. The element with one proton
  2. 4. The elements that touch the zigzag line (staircase) on the Periodic Table
  3. 6. Which period of the periodic table corresponds with Sodium (NA).
  4. 8. Atom with a different number of electrons
  5. 10. Atom with a different number of neutrons
  6. 12. Metalloid at the top of the staircase
Down
  1. 1. CU
  2. 3. BR
  3. 5. Elements on the left of the periodic table
  4. 7. Which group of the periodic table corresponds with the noble gases.
  5. 9. LI
  6. 11. Which group of the periodic table corresponds with the Alkali Earth Metals.