Goal 4 Chemsitry Review #2

12 Questions | Attempts: 366
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Goal 4 Chemsitry Review #2 - Quiz

Reviews key concepts from Chemistry Goal


Questions and Answers
  • 1. 
    Which of the following is the heaviest?
    • A. 

      The electron

    • B. 

      The proton

    • C. 

      The nuetron

    • D. 

      The nucleus

  • 2. 
    Neutral lithium has 3 protons.  During a chemical reaction, 1 electron is removed.  How many protons does lithium have now?
    • A. 

      3

    • B. 

      2

    • C. 

      1

    • D. 

      You must know what element lithium reacted with to determine this.

  • 3. 
    Which of the following is a positive ion?
    • A. 

      Barium (Ba) with 56 electrons and 58 protons

    • B. 

      Sodium (Na) wil 11 protons and 11 electrons

    • C. 

      Oxygen (O) with 8 protons and 10 electrons

    • D. 

      Chlorine (Cl) with 17 protons and 18 electrons

  • 4. 
    Electron clouds (orbitals) contain
    • A. 

      Thousands of fast-moving electrons

    • B. 

      A few fast-moving protons

    • C. 

      A few-fast moving electrons

    • D. 

      Many nuclei

  • 5. 
    The nucleus of an atom has an overall ____________ charge.
    • A. 

      Positive

    • B. 

      Negative

    • C. 

      Neutral

    • D. 

      Empty

  • 6. 
    Which phase has the greatest density?
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

    • D. 

      The temp must be known to answer this question

  • 7. 
    Tina uses a vice to squeeze each container.  Which turns out to be the most compressible?
    • A. 

      The solid phase container

    • B. 

      The liquid phase container

    • C. 

      The gas phase container

    • D. 

      The temp must be known to answer this question

  • 8. 
    How does perspiration cool your skin?
    • A. 

      It carries heat off when it condenses on your skin

    • B. 

      It carries heat off when it evaporates from your skin

    • C. 

      It carries heat off when it sublimes from your skin

    • D. 

      It carries heat off when it deposits on your skin

  • 9. 
    Marquis is studying an unknown substance.  He has recorded several properties in his notebook.  Which of these properties is a physical property?
    • A. 

      Boiling point

    • B. 

      Flammability

    • C. 

      Tendency to tarnish

    • D. 

      Tendency to rust

  • 10. 
    The chemical combination of Atom A and Atom B would result in
    • A. 

      An atom AB

    • B. 

      An element AB

    • C. 

      A molecule AB

    • D. 

      A nucleus AB

  • 11. 
    The components of a homogeneous mixture could be described as
    • A. 

      Inseperable

    • B. 

      Evenly mixed

    • C. 

      Chemically bound

    • D. 

      Unevenly mixed

  • 12. 
    There are three mixtures listed below.  Which one, if any, could not be seperated by evaporation?
    • A. 

      Salt and water

    • B. 

      Sawdust and water

    • C. 

      Iron fillings and water

    • D. 

      All of these mixtures could be separated by evaporation

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