periodic table

123456789101112131415
Across
  1. 4. B
  2. 5. the stairs on the table elements
  3. 8. the 1st group
  4. 9. Li
  5. 10. P
  6. 11. the name of the columns
  7. 12. the elements on the left of the table
  8. 13. C
  9. 15. the 17th group
Down
  1. 1. O
  2. 2. the 18th group
  3. 3. the 2nd group
  4. 6. metals the elements in the middle of the table
  5. 7. the name of the rows
  6. 14. the elements on the right of the table