Chemistry A Post Quiz: 50 Points

10 Questions | Total Attempts: 36

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Chemistry Quizzes & Trivia

This quiz is worth 50 points. There are 10 questions. Each question is worth 5 pts. You can ONLY take this quiz twice.  


Questions and Answers
  • 1. 
    A description of how close a measurement is to the true value of the quantity measured. (AZ HS Science S1:C2:PO3)
    • A. 

      Accuracy

    • B. 

      Liter

    • C. 

      Kilogram

    • D. 

      Energy

  • 2. 
    A possible explanation of an observation that can be tested by scientific investigations is a(an) ____________________________. (AZ HS Science S1:C2:PO2)
    • A. 

      Inference

    • B. 

      Explanation

    • C. 

      Hypothesis

    • D. 

      Science

  • 3. 
    When matter moves from a gas to a liquid it is called _____________________. (AZ HS Science S5:C1:PO1)
    • A. 

      Sublimation

    • B. 

      Condensation

    • C. 

      Deposition

    • D. 

      Density

  • 4. 
    A change in a substance that involves a change in the identity of the substance is _________________. (AZ HS Science S1:C5:PO2)
    • A. 

      Chemical Change

    • B. 

      Phase Change

    • C. 

      Physical Property

    • D. 

      Physical Change

  • 5. 
    Sodium is a/an: (AZ HS Science S5:C1:PO4)
    • A. 

      Element

    • B. 

      Compound

    • C. 

      Homogeneous mixture

    • D. 

      Heterogeneous mixture

  • 6. 
    Which of the following is not a fundamental particle in an atom? (AZ HS Science S5:C1:PO6)
    • A. 

      Electron

    • B. 

      Element

    • C. 

      Neutron

    • D. 

      Proton

  • 7. 
    What is a negatively charged particle in an atom called?     (AZ HS Science S5:C1:PO6)
    • A. 

      Proton

    • B. 

      Positron

    • C. 

      Electron

    • D. 

      Neutron

  • 8. 
    An atom of an element contains eight electrons. What is the identity of this element? You can look on a periodic table to find out.  (AZ HS Science S5:C1:PO3)
    • A. 

      Flourine

    • B. 

      Carbon

    • C. 

      Oxygen

    • D. 

      Nitrogen

  • 9. 
    What is the definition of chemical compound? (AZ HS Science S5:C1:PO4)
    • A. 

      A subatomic particle

    • B. 

      A combination of two protons and two electrons

    • C. 

      A combination of two or more chemical elements

    • D. 

      A mixture of two or more substances

  • 10. 
    (True or False)    An ionic bond forms when one or more pairs of electrons are shared between two atoms of non-metal elements. (AZ HS Science S5:C1:PO4)
    • A. 

      True

    • B. 

      False

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