|  |  |  |  |  |  |  |  | 
   
    | • | Valence electrons
    are the electrons located 
 | 
   
    |  | 
   
    |  | in the _________
    orbitals and are the ones 
 |  | 
   
    |  | 
   
    |  | involved in
    forming chemical bonds. The 
 |  | 
   
    |  | 
   
    |  | valence electrons
    have the largest _ value 
 |  | 
   
    |  | 
   
    |  | for the A
    elements. 
 |  | 
   
    |  | 
   
    | • | For
    representative elements the number of 
 |  | 
   
    |  | 
   
    |  | valence electrons
    in an atom = 
 |  |