Chemistry 1-2

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Across
  1. 2. change changes which alter a substance without changing its composition
  2. 9. mixtures
  3. 10. of conversation of mass law that states that mass is neither created nor destroyed during a chemical reaction - it is conversed.
  4. 11. properties properties that are dependent upon the amount of substance present
  5. 12. change a process that involves one or more substances changing into new substances
  6. 13. mixture mixture that has constant composition throughout; it always has a single phase
  7. 14. a pure substance that cannot be separated into simpler subtances by physical or chemical means
Down
  1. 1. a separation technique that results in the formation of pure solid particles of a subtance from a solution containing the dissolved substance.
  2. 3. a separation technique that is based on differences in the boiling points of the substances involved
  3. 4. a measure of an amount of matter and also the effect of Earth's gravitional pull on that matter
  4. 5. of matter all matter that exists on Earth can be classified as one of those physical forms
  5. 6. a combination of two or more different elements that are combined chemically
  6. 7. property the ability of a substance to combin with or change into one or more other substances
  7. 8. mixture mixture that does not blend smoothly throughout and in which the invidiual substances remain silent.
  8. 15. a measure of the amount of matter