Chemistry 8

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Across
  1. 6. NaCl
  2. 8. Atomic mass of 9.0122
  3. 10. I want to get rid of 1 electron that is my 4th electron shell
  4. 11. the outer electron shell
  5. 13. I have 4 electron shells and want 1 more to be filled
  6. 15. Number of protons
  7. 16. Center of the atom that contains protons and neutrons
Down
  1. 1. I'm in period 2 and need only 1 more electron to be filled
  2. 2. Li2O
  3. 3. I'm number one!
  4. 4. I'm in period 2 and family 16
  5. 5. I have 20 electrons
  6. 6. I want 2 more electrons to fill my 3rd electron shell
  7. 7. I'm in period 4 and family 2
  8. 9. Number of protons plus the number of neutrons
  9. 12. I am a metal and liquid at room temperature
  10. 14. I am a noble gas in period 2