Unit I and II Review

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Across
  1. 2. The smallest unit of matter, is the building block
  2. 6. Something made up of two more atoms
  3. 9. The process of conducting research in the Scientific Method
  4. 10. First step in the Scientific Method
  5. 11. A word that talks about an element's ability to take electrons violently
  6. 12. Positively charged subatomic particles
  7. 13. Something made up of two or more different atoms
  8. 14. The rule that tells us our valence electron shell is full
Down
  1. 1. We subtract our # of protons from this number to determine the number of neutrons
  2. 3. Neutral charged subatomic particles
  3. 4. Negatively charged subatomic particles
  4. 5. Outer shell electrons
  5. 7. Tells us the number of protons in an element
  6. 8. The final piece of the Scientific Method where you present your work