Chapter 4 Physical Science Short Test

10 Questions | Total Attempts: 270

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Chapter 4 Physical Science Short Test

You need to answer each? To the best of ur ability.


Questions and Answers
  • 1. 
    One of the first people to state that matter is made up of atoms was
    • A. 

      Democritus

    • B. 

      Aristotle

    • C. 

      Dalton

    • D. 

      Rutherford

  • 2. 
    Dalton's model of an atom is best described as
    • A. 

      A solar system

    • B. 

      A solid sphere

    • C. 

      A plum pudding

    • D. 

      An electron cloud

  • 3. 
    Who provided the first evidence that atoms contain subatomic particles?
    • A. 

      Dalton

    • B. 

      Rutherford

    • C. 

      Thomson

    • D. 

      Bohr

  • 4. 
    Almost all mass of an atom is located in its
    • A. 

      Protons

    • B. 

      Electrons

    • C. 

      Electron cloud

    • D. 

      Nucleus

  • 5. 
    Which particle is the least massive?
    • A. 

      Proton

    • B. 

      Electron

    • C. 

      Neutron

    • D. 

      Nucleus

  • 6. 
    All atoms of an element have the same
    • A. 

      Mass #

    • B. 

      # of isotopes

    • C. 

      Atomic #

    • D. 

      # of neutrons

  • 7. 
    Why must indirect evidence be used to study the structure of atoms?
  • 8. 
    In Thomson's experiment, why was the glowing beam repelled by a negatively charged plate?
  • 9. 
    What is the difference between the atomic # and mass #?
  • 10. 
    What does it mean to say that an atom is in an excited state?
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