7.6 CW 2

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Across
  1. 2. What you get at the end of a reaction.
  2. 3. A mixture where bigger particles can settle to the bottom.
  3. 6. How much space something takes up.
  4. 8. a reaction where the parts of two different compounds switch places with one another to form two new compounds
  5. 11. A mixture that is the same everywhere; it looks uniform.
  6. 12. A reaction where two different elements or compounds unite to form a single, more complex substance
  7. 13. Happens by itself
  8. 16. A reaction where one compound splits apart into two or more substances
  9. 20. When substances change into new substances.
  10. 22. A reaction written so each type of atom matches on both sides.
  11. 23. Two or more atoms stuck together.
  12. 24. type of reaction where energy (heat) is absorbed; feels cold
  13. 25. Matter made of only one kind of particle.
  14. 27. In a closed system the total mass stays the same.
  15. 28. A homogeneous mixture where one thing is dissolved in another.
  16. 29. Atoms moving around to make new molecules.
  17. 31. A reaction where a free element replaces another in a compound
Down
  1. 1. How much matter something has.
  2. 2. Something you can observe or measure without changing it.
  3. 4. Type of reaction where energy (heat) is released; feels hot
  4. 5. What you start with in a reaction.
  5. 7. The reaction of oxygen with a compound containing carbon and hydrogen
  6. 9. A system where matter cannot get in or out.
  7. 10. A way to separate a mixture without making new substances.
  8. 14. When a substance mixes evenly into a liquid.
  9. 15. A system where matter can get in or out.
  10. 17. A “code” that shows what atoms are in something and how many.
  11. 18. A mixture that is not the same everywhere; you can see different parts.
  12. 19. A tiny piece of matter, like an atom or molecule.
  13. 21. Two or more substances mixed together but not bonded.
  14. 26. A pure substance made from two or more elements joined together.
  15. 30. A mixture with tiny particles mixed in that don’t quickly settle.