ch 1 Matter and Change vocab

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Across
  1. 3. has a fixed composition
  2. 4. the substances that react in a chemical change
  3. 5. substance composed of identical molecules
  4. 6. a measure of the amount of matter
  5. 8. do not depend on the amount of matter present
  6. 11. any substance that has a definite compostition
  7. 13. has definite volume but an indefinite shape
  8. 15. A change in wich one or more substances are converted into different substances
  9. 17. anything that has mass and takes up space
  10. 19. homogeneous mixtures
  11. 20. an element that has some characteristics of metals and some of nonmetals
  12. 21. A change in a substance that does not involve a change in the identity of the substance
  13. 23. smallest unit of ordinary matter that forms a chemical element
  14. 24. has an indefinite volume and shape
  15. 25. the horizontal rows of elements in the periodic table
  16. 26. a chemical substance that cannot be broken down into other substances
  17. 27. has definite volume and definite shape
Down
  1. 1. depend on the amount of matter that is present
  2. 2. mixtures that are not uniform througout
  3. 3. high temperature physical state of matter
  4. 5. the study of the composition,structure,and properties of matter
  5. 7. a blend of two or more kinds of matter
  6. 9. the substances that are formed by the chemical change
  7. 10. a characteristic that can be observed or measured without changing the identity of the substance
  8. 12. relates to a substances ability to undergo changes that transform it into different substances
  9. 14. A physical change of a substance from one state to another
  10. 16. the vertical collumns of the periodic table
  11. 18. mixtures that are uniform in composition
  12. 20. element that is a good electrical conducter and heat conducter
  13. 22. element that is a poor conducter of heat and electricity