Chemistry Crossword

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Across
  1. 4. Atomic number 5
  2. 5. negatively charged subatomic particles
  3. 7. Atomic mass of 207
  4. 11. Element in period 6 group 10
  5. 13. positively charged subatomic particles
  6. 15. Chemical symbol Bi
  7. 17. Element with atomic mass 103
  8. 18. Protons and neutrons can be found here in the atom
  9. 19. A very bright element found in the nobel gas group
Down
  1. 1. Are the purest form of anything
  2. 2. Titanium has this many electron shells
  3. 3. Nobel gas with atomic number 2
  4. 6. Element found in period 4 group 2
  5. 8. The smallest unit of matter
  6. 9. Element with atomic number 6
  7. 10. Atomic number 40
  8. 12. neutrally charged subatomic particles
  9. 13. Tell how many electron shells at atom will have
  10. 14. Chemical symbol W
  11. 16. Chemeical symbol Ni