Story Periodic Table Crossword

1234567891011121314151617181920
Across
  1. 2. what we call the columns on Periodic Table
  2. 4. atom with same protons and electrons
  3. 7. All of the elements organized on this
  4. 9. element with atomic mass of 15.999
  5. 11. combination of two or more different atoms
  6. 15. element with atomic number of 23
  7. 17. neutral charged particle
  8. 19. negatively charged particle
  9. 20. any combination of two or more atoms
Down
  1. 1. variation of an element with more neutrons
  2. 3. element after potassium
  3. 5. Number of protons in an element
  4. 6. what we call rows on Periodic Table
  5. 8. element with 1 proton
  6. 10. electrons on the outer shell
  7. 12. electrons are located in these
  8. 13. the center of an atom
  9. 14. atom with more protons than electrons
  10. 16. positively charged particle
  11. 18. the 2nd element in the 18th group