periodic table

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Across
  1. 3. the first nonmetal
  2. 4. this is the biggest number on the table
  3. 9. the name of this chart
  4. 11. what is the correct word for Co
  5. 12. this is in the first column the 4th row
  6. 14. their atomic number is 14
  7. 16. the symbol for lead
  8. 17. silvers symbol
  9. 19. can also be known as a type of color
  10. 20. the most recently added
  11. 21. the things on the table
Down
  1. 1. number 5 on the metals
  2. 2. these are not metals
  3. 5. there are only 8 of these
  4. 6. titaniums symbol
  5. 7. silicons symbol
  6. 8. the symbol for iron
  7. 10. they go across
  8. 13. the symbol for gold
  9. 15. we breathe it
  10. 18. they go up and down