Periodic Table Practice Test - Answer Key

 

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  1. Circle the option that best fits:

      2.  

    1. Smallest Atomic Radius                                        Na       Si         S          Al

      2.  

    2. Largest Ionic Radius                                               Na+     O2-      Mg2+   F-

      3.  

    3. Least Polar Bond                                                   C-N     C-O     O-H   

      4.  

    4. Greatest Electronegativity                                  Al        C          Na       N

      5.  

    5. Smallest First Ionization Energy                         K          Na       Mg

      6.  

    6. Which 2 are Isoelectronic                                    Cl -       Br -      Ne       Ar

     

     

  2. Given the following ionization energies for Mg:

    I1 = 735 kJ/mol
    I2 = 1445 kJ/mol
    I3 = 7730 kJ/mol

    Determine the electron affinity for Mg2+.

    –1445 kJ/mol

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