Unit 2 Chemistry

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Across
  1. 2. Atomic model that made the entire atom positive with spots of negative charges.
  2. 7. Moderately reactive metal group with 2 valence electrons.
  3. 8. Positively charged ion.
  4. 12. Highly reactive metal group that has one valence electron.
  5. 13. electrons found in the outermost shell of an electron
  6. 15. Has the same number of protons but different neutron number.
  7. 16. s,p,d,f
  8. 18. This group has a full valence shell and is unreactive to other elements.
  9. 19. The process when and atom loses or gains an electron(s).
Down
  1. 1. A bond between a anion and cation.
  2. 2. Rutherford's Gold Foil Experiment discovered this...
  3. 3. Positively charged subatomic particle.
  4. 4. Used to bombard the gold foil in Rutherford's Lab
  5. 5. 1s2s2p3s3p4s3d4p5s4d5p
  6. 6. Total number of protons and neutrons in an atom.
  7. 7. Negatively charged ion.
  8. 9. Ionic name for chlorine.
  9. 10. Used the gold foil experiment to discover the nucleus.
  10. 11. Subatomic particle with a negative charge.
  11. 14. Highly reactive nonmetal group that includes chlorine.
  12. 17. Subatomic particle with no charge.