Chemistry Unit Vocab

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Across
  1. 5. substance that increases the rate of a chemical reaction
  2. 7. result in the formation of one or more new substances with new chemical and physical properties
  3. 8. pH of more than 7
  4. 10. elements with similar properties that create a “staircase” on the periodic table
  5. 13. a solid substance formed when two solutions are chemically combined.
  6. 16. ability to dissolve in a liquid
  7. 17. one or two letter abbreviation derived from the element's name.
Down
  1. 1. can be observed and measured without changing the kind of matter being studied.
  2. 2. does not change the composition of a substance, only the physical properties
  3. 3. elements with similar properties found on the right side of the “staircase” on the periodic table
  4. 4. The tendency of a substance to undergo chemical changes
  5. 6. elements with similar properties found on the left side of the “staircase” on the periodic table
  6. 7. The ability of a material to conduct electricity or heat
  7. 9. pH of less than 7
  8. 11. constructed from the symbols of the elements composing the substance.
  9. 12. be recognized only when substances react or do not react chemically with one another, that is, when they undergo a change in composition.
  10. 14. scale used to classify solutions
  11. 15. a quick reference for associating the name and symbol of an element.