Chemistry 121 - Chapter 1 and 2 Crossword

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Across
  1. 2. Fundamental building blocks of ordinary matter
  2. 5. found on the upper right side of the periodic table
  3. 8. gases that are inert
  4. 11. A process in which a mixture is heated to boil off the more volatile liquid
  5. 13. same number of protons different number of neutrons
  6. 14. The capacity to do work
  7. 16. A tentative interpretation or explanation of the observation
  8. 17. An SI unit
  9. 20. A property that depends on the amount of the substance
  10. 21. Occupies space and has mass
  11. 22. A measure of space
  12. 23. "Which weighs more, a ton of bricks or a ton of feathers"
  13. 24. amount of material
Down
  1. 1. contain very reactive nonmetals
  2. 3. elements whose properties are less predictable
  3. 4. Can be torn in your knee or created by surface tension
  4. 6. 6.022x10^23
  5. 7. Atoms or molecules with long-range, repeating order
  6. 9. Discovered by J.J. Thomson
  7. 10. reactive metals that carry a +2 charge
  8. 12. the Switzerland of atomic particles
  9. 15. column within the main-group regions
  10. 18. Predominantly used by countries other than the United States
  11. 19. Composed of two or more components in proportions that vary
  12. 21. found on the lower left side and middle of the periodic table