Q:
      
      
         
            
Conductivity in a metal results from the metal atoms having
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: A) highly mobile electrons in the valence shell         
         
Explanation: The outer most electrons that are free to move are called valency electrons that are responsible for the conductivity in the metal atoms.
       
      
      
      
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