1. Which of the following ions/elements has a stable noble gas configuration?   

  a. Li    

b. Ca   

  c. O2-    

d. C3-


  2. Which is not a type of chemical bonding?   

a. valence   

b. metallic bonding   

c. ionic bonding  

  d. covalent  

3. How many valence electrons do noble gases like Xe, Ne, and Kr have?  

   a. 2   

  b. 4    

c. 6    

d. 8  

4. Cesium is located at period 7, family 1A in the periodic table of elements. It is the element with the highest ionization energy. How many valence electrons does Cs have?     a. 1    

b. 2   

  c. 6    


d. 7  


5. The following describe ionic bonding, except ________.   

  a. It involves the transfer of electrons.

    b. It involves sharing of electrons.

    c. Atoms either gain or lose electrons.

    d. It is a bond between a metal and a non-metal.

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