Physical Science Chapter 14

24 Questions | Total Attempts: 48

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Chapters Of Physical Science Quizzes & Trivia

Physical science. Yes.


Questions and Answers
  • 1. 
    The electron has no mass
    • A. 

      True

    • B. 

      False

  • 2. 
    The red photons found in the emission spectrum of atomic hydrogen are less energetic than the purple photons 
    • A. 

      True

    • B. 

      False

  • 3. 
    The rare, backward reflection of alpha particles convinced Rutheford that the atom consisted of a dense, positively- charged nucleus. 
    • A. 

      True

    • B. 

      False

  • 4. 
    In gas discharge tube experiments, positive fragments from different types of atoms are similar to one another. 
    • A. 

      True

    • B. 

      False

  • 5. 
    To explain the continuous spectrum, Planck proposed that light could only be absorbed  or emitted in discrete amounts. 
    • A. 

      True

    • B. 

      False

  • 6. 
    Bohr failed to explain why an accelerated electron does not radiate energy. 
    • A. 

      True

    • B. 

      False

  • 7. 
    Rutherford fully expected alpha particles to bounce off of the gold foil. 
    • A. 

      True

    • B. 

      False

  • 8. 
    The nucleus of an atom occupies more than half of the atom's volume. 
    • A. 

      True

    • B. 

      False

  • 9. 
    The color of a hot object is related to its temperature. 
    • A. 

      True

    • B. 

      False

  • 10. 
    Dense, positively- charged center of the atom. 
  • 11. 
    Rutherford model 
  • 12. 
    Spectra in which the colors of light change abruptly and many colors are missing 
  • 13. 
    Thomson Model 
  • 14. 
    Positively charged particle emitted by some radioactive materials 
  • 15. 
    The conservation of ________ law explains why photon emission occurs when an electron drops from a high to a low energy state. 
  • 16. 
    Thomson's and Millikan's experiments provided strong evidence for the atom's _________ nature. 
  • 17. 
    Rutherford's orbits were _________________: Bohr's orbits were __________. 
  • 18. 
    An electron with a large value of n in the Bohr model is ______________ from the nucleus and has ___________ of energy. 
  • 19. 
    The nature functions using discrete rather than continuous energy is an assumption of the _________ model. 
  • 20. 
    Thomson's gas discharge experiments provide direct experimental evidence for the 
    • A. 

      Exclusion principle

    • B. 

      Nuclear model of atoms

    • C. 

      Bohr model of atoms

    • D. 

      Idea that all atoms are made of charged particles

    • E. 

      Idea that electrons in atoms behave as waves

  • 21. 
    In the Thomson (plum pudding) model of the atom, an atom is described as 
    • A. 

      A positive "pudding" with small lumps of negative charge distributed throughout

    • B. 

      A negative "pudding" with small lumps of positive charge distributed throughout

    • C. 

      A negative "pudding" with one large lump of positive charge in the middle

    • D. 

      A neutral "pudding" with lumps of negative charge around the outside and lumps of positive charge in the middle

  • 22. 
    In what model do electrons orbit the nucleus so that any orbit allowed by Newtonian physics can be occupied by an electron?
    • A. 

      Quantum model

    • B. 

      Thomson or "plum pudding" model

    • C. 

      Rutherfod or "solar system" model

    • D. 

      Bohr or "modified solar system" model

    • E. 

      Molecular model

  • 23. 
    White light passes through a gas that absorbs some of the light. The spectrum of light that passes through the gas is then analyzed. The spectrum could best be described as
    • A. 

      Continuous

    • B. 

      A discrete spectrum of colored lines

    • C. 

      A mostly continuous spectrum that is missing some colors

    • D. 

      A discrete spectrum of colored lines that corresponds to the absorbed light

    • E. 

      A completely black spectrum

  • 24. 
    Gases emit light when they are energized by an electrical discharge. The light results when an electron
    • A. 

      "jumps" from one energy level up to a higher energy level

    • B. 

      "jumps" from one energy level down to a lower energy level

    • C. 

      Is completely removed from the atom

    • D. 

      Is absorbed b the nucleus