Chapter 7 Quiz - The Fundamental Nature Of Matter & Energy

15 Questions

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Nature Of Matter Quizzes & Trivia

Chapter 7 Quiz


Questions and Answers
  • 1. 
    If the wavelength of an electromagnetic wave is 3.00 meters, then what is its frequency?
    • A. 

      1.00 x 10^8 Hz

    • B. 

      9.00 x 10^8 Hz

    • C. 

      1.00 x 10^7 Hz

    • D. 

      9.00 x 10^9 Hz

  • 2. 
    If an electromagnetic wave has a frequency of 1.00 x 1010 Hz, what would be the energy contained in one photon of this wave?
    • A. 

      3.00 x 10^-2 J

    • B. 

      3.00 x 10^18 J

    • C. 

      6.63 x 10^-24 J

    • D. 

      6.63 x 10^-34 J

  • 3. 
    Assume a 3.31-kg ball is thrown at a speed of 1.00 m/s.  What is the deBroglie wavelength of this object?
    • A. 

      2.62 x 10^-31 m

    • B. 

      2.00 x 10^-34 m

    • C. 

      5.00 x 10^-35 m

    • D. 

      3.31 x 10^-34 m

  • 4. 
    Which of the following quantum leaps would require an absorption of energy?
    • A. 

      N=2 to n=1

    • B. 

      N=5 to n=3

    • C. 

      N=4 to n=3

    • D. 

      N=5 to n=6

  • 5. 
    Which of the following words describes the lowest part of a wave?
    • A. 

      Crest

    • B. 

      Trough

    • C. 

      Amplitude

    • D. 

      Nadir

  • 6. 
    Consider the only unpaired electron in an atom of aluminum.  What is the ml value for this electron?
    • A. 

      3

    • B. 

      1

    • C. 

      0

    • D. 

      -1

  • 7. 
    Which element's sole unpaired electron has the quantum numbers   n = 3  l = 2  ml= -2  ms = +1/2  ?
    • A. 

      Sc

    • B. 

      Ga

    • C. 

      Al

    • D. 

      Mg

  • 8. 
    The shape of a typical d orbital would be
    • A. 

      Spherical

    • B. 

      Figure-eight shaped

    • C. 

      Four-leaf-clover shaped

    • D. 

      Pinwheel shaped

  • 9. 
    Hund's rule states that electrons cannot be
    • A. 

      Placed randomly in orbitals

    • B. 

      Paired until each orbital has an electron

    • C. 

      Has sublevels such as 1p, 2d, etc.

    • D. 

      In more than one location at the same time

  • 10. 
    Which element has the electron configuration 1s22s22p63s23p64s23d104p2?
    • A. 

      Titanium

    • B. 

      Gallium

    • C. 

      Tin

    • D. 

      Germanium

  • 11. 
    Which element has the electron configuration 1s22s22p63s23p64s23d4?
    • A. 

      Vanadium

    • B. 

      Chromium

    • C. 

      Manganese

    • D. 

      None of the above

  • 12. 
    Which of the following pairs of quantum numbers would be IMPOSSIBLE?
    • A. 

      N = 3 l = 2

    • B. 

      N = 2 l = 2

    • C. 

      N = 10 l = 4

    • D. 

      More than one of the above

  • 13. 
    What is the maximum number of orbitals in the 3d sublevel?
    • A. 

      10

    • B. 

      1

    • C. 

      3

    • D. 

      5

  • 14. 
    How many electrons are in the 4th energy level of a zirconium atom?
    • A. 

      2

    • B. 

      8

    • C. 

      10

    • D. 

      18

  • 15. 
    The Heisenberg uncertainty principle states that
    • A. 

      An electron's exact location and velocity cannot be known with certainty

    • B. 

      No two electrons in an atom can have the same set of four quantum numbers

    • C. 

      Electrons are filled into orbitals in an ordered fashion

    • D. 

      Only two electrons can fit in an orbital