Science Vocabulary Assignment

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