Chemistry Pop Quiz - Extra Credit

10 Questions

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Chemistry Pop Quiz - Extra Credit

Enter the corresponding response for each question.


Questions and Answers
  • 1. 
    Which of the following represents the total number of neutrons in Rb-87?
    • A. 

      87

    • B. 

      37

    • C. 

      50 

    • D. 

      Can not be determined

  • 2. 
    Which model shows the bonding relationship between elements?
    • A. 

      Lewis

    • B. 

      Bohr

    • C. 

      Mendeelev

    • D. 

      Rutherford

  • 3. 
    In the electromagnetic spectrum, what is the relationship between frequency and energy?
    • A. 

      Inversely proportional 

    • B. 

      Directly proportional 

    • C. 

      Equivalent 

    • D. 

      None of the above 

  • 4. 
    In the electromagnetic sprectrum, what is the relationship between gamma and ultraviolet waves?
    • A. 

      Ultraviolet waves have a higher frquency than gamma waves

    • B. 

      Gamma waves have a longer wavelength than ultraviolet waves

    • C. 

      Ultraviolet waves have a greater wavelength than gamma waves

    • D. 

      Ultraviolet waves have a greater energy than gamma waves

  • 5. 
    Which of the following is consistent with isotopes
    • A. 

      The same number of electrons

    • B. 

      The same chemical properties

    • C. 

      The same atomic mass number

    • D. 

      Different number of neutrons

    • E. 

      Different atomic number

    • F. 

      The same nuclear properties

    • G. 

      The same number of protons

  • 6. 
    Which of the following represents an alkaline earth metal?
    • A. 

      Li

    • B. 

      Ca

    • C. 

      Rb

    • D. 

      Se

  • 7. 
    Which of the following groups have eight (8) valence electrons in their outermost shell?
    • A. 

      Chalogens

    • B. 

      Alkaline earth metals

    • C. 

      Halogens

    • D. 

      Noble gases

  • 8. 
    If 75.53% Cl-35 with an atomic mass of 34.969 amu and 24.47% Cl  with an atomic mass of 3.966 amu. Calculate the average atomic mass for Cl (round the value to the nearest hundreths place).
    • A. 

      35.99 amu

    • B. 

      35.46 amu

    • C. 

      34.60 amu

    • D. 

      34.79 amu

    • E. 

      Option 5

  • 9. 
    Which subatomic particle carries a negative charge?
    • A. 

      Electrons

    • B. 

      Neutrons

    • C. 

      Protons

    • D. 

      All of the above

  • 10. 
    Determine the wavelength in meters (m) for an element with a frequency of 5.0 x 10 (8) Hz
    • A. 

      6

    • B. 

      60

    • C. 

      0.6

    • D. 

      .06

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