Unit 3 Chemistry Preview

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Across
  1. 5. The number of protons within an atom (two words as one)
  2. 9. Elements on the periodic table that have properties of metals and nonmetals (Middle)
  3. 11. Element with the symbol 'Cu'
  4. 13. The total number of protons and neutrons within an atom (two words as one)
  5. 14. Element with the symbol 'H'
  6. 18. Element with the symbol 'Hg'
  7. 19. Element with the symbol 'Sn'
  8. 21. A small subatomic particle with a negative (-) charge
  9. 22. The central region of an atom comprised of protons and neutrons
Down
  1. 1. Element with the symbol 'Ti'
  2. 2. Elements on the periodic table that are not good conductors of electricity and heat (Right Side)
  3. 3. Element with the symbol 'U'
  4. 4. Element with the symbol 'O'
  5. 6. A small subatomic particle with a neutral (0) charge
  6. 7. A small subatomic particle with a positive (+) charge
  7. 8. Element with the symbol 'Al'
  8. 10. Element with the symbol 'Pb'
  9. 11. Element with the symbol 'C'
  10. 12. Element with the symbol 'Kr'
  11. 15. Elements on the periodic table that are good conductors of electricity and heat (Left Side)
  12. 16. Element with the symbol 'He'
  13. 17. Element with the symbol 'Au'
  14. 20. Element with the symbol 'Fe'