Periodic Table

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Across
  1. 4. a column of elements in table
  2. 5. number 6 in the table
  3. 9. number of protons
  4. 10. number one in the table
  5. 12. number 7 in the table
  6. 15. a element term for metals
  7. 17. the gas inside a balloon
  8. 18. seven elements in group 18
  9. 19. number 93 in the table
Down
  1. 1. number 16 in the table
  2. 2. number 28 in the table
  3. 3. number 11 in the table
  4. 6. number 5 in the table
  5. 7. The periodic _____
  6. 8. horizontal row in table
  7. 11. the basic units of matter
  8. 13. a thing that is not metal
  9. 14. number 13 in the table
  10. 16. A element that we breathe
  11. 20. number 26 in the table