Bk Ch 1 Discovery Of The Atom Quiz

15 Questions | Total Attempts: 93

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Atom Quizzes & Trivia

Questions and Answers
  • 1. 
    Greek philosopher, namely Democritis, devised a theory that all matter is made of atoms.
    • A. 

      True

    • B. 

      False

  • 2. 
    JJ Thompson combined the idea of elements with the Greek theory that Democitris came up with.  It was called the Atomic Theory.
    • A. 

      True

    • B. 

      False

  • 3. 
    The Atomic Theory stated that 1) Matter is made of molecules.
    • A. 

      True

    • B. 

      False

  • 4. 
    The Atomic Theory stated that 2) Atoms can be divided into smaller pieces.
    • A. 

      True

    • B. 

      False

  • 5. 
    The Atomic Theory stated that 3) All atoms of an element are exactly alike.
    • A. 

      True

    • B. 

      False

  • 6. 
    The Atomic Theory stated that 4). Different elements are made of different atoms.
    • A. 

      True

    • B. 

      False

  • 7. 
    William Crookes used a cathode-ray tube which made a greenish glow.  Crookes at first thought it was something supernatural and then was convinced it was charged particles.
    • A. 

      True

    • B. 

      False

  • 8. 
    JJ Thompson revised Crookes experiment and used a magnet to attract the greenish glow.  He discovered that there were neutral charges in an atom.
    • A. 

      True

    • B. 

      False

  • 9. 
    JJ Thompson revised Dalton's model of the atom. Thompson's model looked like a sphere that was postively charged with negatively charged particles spread throughout.
    • A. 

      True

    • B. 

      False

  • 10. 
    Earnest Rutherford tested Thompson's model and found that it was inaccurate.
    • A. 

      True

    • B. 

      False

  • 11. 
    Rutherford's experiment proved that there was a small nucleus in the atom and that most of the atom was empty space.
    • A. 

      True

    • B. 

      False

  • 12. 
    After Rutherfords experiment, other scientists discovered that there must be electrons in the atom also because an atom's mass equalled more than just the mass of the protons.
    • A. 

      True

    • B. 

      False

  • 13. 
    Thompson was well known for trying to prove the existance of supernatural beings.
    • A. 

      True

    • B. 

      False

  • 14. 
    The current model of the atom was created by Neils Bohr.
    • A. 

      True

    • B. 

      False

  • 15. 
    The current model of an atom has an electron cloud surrounding the nucleus.
    • A. 

      True

    • B. 

      False

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