Chemistry 121 Chapter 1 Part 1

18 Questions | Total Attempts: 312

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Questions and Answers
  • 1. 
    The study of matter and the changes it undergoes
    • A. 

      Alchemy

    • B. 

      Scientific Method

    • C. 

      Chemistry

  • 2. 
    The belief in the conversion of one substance into another.
    • A. 

      Alchemy

    • B. 

      Scientific Method

    • C. 

      Chemistry

  • 3. 
    Stated the first laws of chemistry
    • A. 

      Albert Einstein

    • B. 

      Antoine Lavoiser

    • C. 

      Sigmund Freud

  • 4. 
    Introduced the metric system.
    • A. 

      Queen Elizabeth

    • B. 

      Antoine Lavoiser

    • C. 

      Thomas Edison

  • 5. 
    Was beheaded in France
    • A. 

      Alexander Bell

    • B. 

      Issac Newton

    • C. 

      Antoine Lavoiser

  • 6. 
    The first step in the Scientific Method is _______
    • A. 

      Observation

    • B. 

      Conclusion

    • C. 

      Experiment

  • 7. 
    The second step in the Scientific Method is _______
    • A. 

      Observation

    • B. 

      Experiment

    • C. 

      Acquire information

  • 8. 
    The third step in the Scientific Method is _______
    • A. 

      Experiment

    • B. 

      Acquire information

    • C. 

      Form a hypothesis

  • 9. 
    The fourth step in the Scientific Method is _______
    • A. 

      Form a hypothesis

    • B. 

      Conclusion

    • C. 

      Acquire data

  • 10. 
    The fifth step in the Scientific Method is _______
    • A. 

      Experiment

    • B. 

      Acquire data

    • C. 

      Conclusion

  • 11. 
    Known facts used for the basis of the reckoning of information
    • A. 

      Hypothesis

    • B. 

      Theory

    • C. 

      Data

  • 12. 
    Tentative explanation for a set of observations.
    • A. 

      Experiment

    • B. 

      Hypothesis

    • C. 

      Observation

  • 13. 
    A unifying principle that explains the facts of the experiment.
    • A. 

      Hypothesis

    • B. 

      Theory

    • C. 

      Observation

  • 14. 
    A concise mathematical or verbal description of a relationship of phenomena that is always the same unde rthe same conditions.
    • A. 

      Theory

    • B. 

      Hypothesis

    • C. 

      Law

  • 15. 
    We are only concerned with the general observations about the experiment,e.g. The green spheres chang ecolor.
    • A. 

      Qualitative

    • B. 

      Quantitative

  • 16. 
    We are concerned with measured quantities that tell us specific information about the system ,e.g.  The 12 green spheres present at the start of the experiment are converted to 12yellow spheres after 100 seconds.
    • A. 

      Qualitative

    • B. 

      Quantitative

  • 17. 
    Anything that occupies space and has mass.
    • A. 

      Molecules

    • B. 

      Atoms

    • C. 

      Matter

  • 18. 
    Anything that has definite composition and distinct properties.
    • A. 

      Atom

    • B. 

      Substance

    • C. 

      Matter

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