Chem Lesson 2.4

8 Questions | Total Attempts: 791

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Chem Lesson 2.4 - Quiz

These questions deal with trends in atomic radii. look at table S if you have any questions.


Questions and Answers
  • 1. 
    An atom of which element has the largest atomic radius?
    • A. 

      Fe

    • B. 

      Mg

    • C. 

      Si

    • D. 

      Zn

  • 2. 
    Explain, in terms of atomic structure, why the elements in Group 2 have similar chemical properties.    [1]
  • 3. 
    As atomic number increases within Group15on the Periodic Table, atomic radius
    • A. 

      Decreases, only

    • B. 

      Increases, only

    • C. 

      Decreases, then increases

    • D. 

      Increases, then decreases

  • 4. 
    How do the atomic radius and metallic properties of sodium compare to the atomic radius and metallic properties of phosphorus?
    • A. 

      Sodium has a larger atomic radius and is more metallic.

    • B. 

      Sodium has a larger atomic radius and is less metallic.

    • C. 

      Sodium has a smaller atomic radius and is more metallic.

    • D. 

      Sodium has a smaller atomic radius and is less metallic.

  • 5. 
    An element that is malleable and a good conductor of heat and electricity could have an atomic number of
    • A. 

      16

    • B. 

      18

    • C. 

      29

    • D. 

      35

  • 6. 
    Which list of elements from Group 2 on the Periodic Table is arranged in order of increasing atomic radius?
    • A. 

      Be, Mg, Ca

    • B. 

      Ca, Mg, Be

    • C. 

      Ba, Ra, Sr

    • D. 

      Sr, Ra, Ba

  • 7. 
    The elements in Period 5 on the Periodic Table are arranged from left to right in order of
    • A. 

      Decreasing atomic mass

    • B. 

      Decreasing atomic number

    • C. 

      Increasing atomic mass

    • D. 

      Increasing atomic number

  • 8. 
    The data table below shows elements Xx, Yy, and Zz from the same group on the Periodic Table. What is the most likely atomic radius of element Yy?
    • A. 

      103 pm

    • B. 

      127 pm

    • C. 

      166 pm

    • D. 

      185 pm