periodic table

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12345678910111213141516171819
Across
  1. 2. numbers across
  2. 5. Group number 17s name
  3. 7. what is uraniums natrual state
  4. 8. most reactive alkali metal
  5. 12. the first metaloid in the nitrogen group
  6. 13. first element in the boron group
  7. 14. The abreviation of the element
  8. 16. neutraly charged
  9. 17. the only metaloid in the oxygen group
  10. 18. non reactive non metal
Down
  1. 1. atoms of the same element with a different number of neutrons
  2. 3. the atomic number
  3. 4. number 92 on the periodic table
  4. 6. neg. charged
  5. 9. the combination of protrons and neutrons
  6. 10. Number 1 on the periodic table
  7. 11. the last noble gas
  8. 14. number 14 on the periodic table
  9. 15. the transiti9on metals group numbers
  10. 16. what is oxygens natrual state
  11. 19. numbers down