Periodic Table

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Across
  1. 3. electrons on the outtermost level
  2. 6. found on the right side of the periodic table
  3. 7. states that there is a pattern of elements in the periodic table
  4. 8. group 17 on the periodic table
  5. 9. Group 18 on the periodic table
  6. 10. Vertical rows
  7. 11. found in the d-block
  8. 15. Found on the left side of the periodic table
  9. 16. group 1 on the periodic table
Down
  1. 1. he arranged the atoms by increasing atomic mass
  2. 2. horizontal rows
  3. 4. Group 2 on the periodic table
  4. 5. top row of the f-block
  5. 12. also known as metalloids
  6. 13. he arranged the elements by increasing atomic number
  7. 14. bottom row of the f-block