Classification of Matter

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Across
  1. 2. two or more substances that are not chemically united
  2. 3. change in the physical properties of a substance
  3. 6. the elements of a compound and their relative proportions
  4. 9. substance obtained from another substance through chemical change
  5. 10. change that is accompanied by a liberation of heat
  6. 11. Uniform mixture where the components are evenly distributed
  7. 13. state in which the particles of a substance are mixed with a fluid but are undissolved
  8. 14. one of two or more existing forms of an element.
  9. 15. A substance having a specific molecular composition
  10. 17. substance participating in a chemical reaction present at the start of the reaction
  11. 19. a substance composed of two or more metals, or of a metal or metals with a nonmetal
  12. 20. change that is accompanied by an absorption of heat
  13. 21. pure substance composed of two or more elements
Down
  1. 1. chemical reaction involving the rearrangement of the atoms of one or more substances
  2. 4. Substances that cannot be separated into simpler substances
  3. 5. characteristic of a substance that is observed without changing the chemical composition
  4. 7. property of a substance that is observed when the chemical composition is changed
  5. 8. matter with a constant composition and distinct properties
  6. 12. non-uniform mixture
  7. 16. very small particles of one substance are distributed evenly throughout another substance
  8. 18. the smallest component of an element having the chemical properties of the element