3.4.5. 18-The expressium 2n^2 will give you the answer.Since n=3, 2n^2 = 18-18 electrons.......
      
      	
        
1. 32
 
2. 2
 
3. 8
 
4. 10
 
5. 18
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The expressium 2n^2 will give you the answer.  Since n=3, 2n^2 = 18
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18 electrons.
       
      keywords: atom,maximum,that,what,In,is,given,of,can,principal,have,number,electrons,quantum,the,In a given atom, what is the maximum number of electrons that can have principal quantum number n = 3