Unit 2 Crossword

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Across
  1. 2. Matter that has a fixed composition and includes only elements or compounds.
  2. 5. A mixture that is not evenly mixed and has visibly different parts.
  3. 9. A change that affects only the form of a substance, not its chemical identity.
  4. 12. A feature that describes how a substance reacts to form new substances; the substance does not change, this just mentions its ability to change.
  5. 14. A property that does not depend on the amount of matter present.
  6. 15. A change that produces one or more new substances.
  7. 16. A state of matter with particles that are far apart and no definite shape or volume (shape and volume fill the container).
  8. 17. The smallest part of an element that still has the properties of that element.
  9. 19. The amount of mass divided by volume of a substance.
  10. 20. A feature that can be observed or measured without changing the substance.
Down
  1. 1. A mixture that is evenly mixed and looks the same throughout; a synonym is solution.
  2. 3. A state of matter with a definite shape and volume and tightly packed particles.
  3. 4. A force that holds atoms together in a compound.
  4. 6. A property that does depend on the amount of matter present.
  5. 7. A pure substance made of only one type of atom.
  6. 8. Two or more atoms chemically bonded; the atoms can be from the same element or different elements.
  7. 10. A state of matter with a definite volume but no definite shape (shape can change!).
  8. 11. A pure substance made of two or more different elements that are chemically bonded.
  9. 13. A combination of substances where no new chemical substance is formed.
  10. 18. A physical blend of two or more substances that are not chemically combined.