Answer: letter D. Most of the mass of an atom comes from elctron cloud 
Step-by-step explanation: your welcome and have a good day
 
        
                    
             
        
        
        
Answer:
8,941,136.4 Minutes/ 8,935,200 Minutes 
Step-by-step explanation:
 
        
                    
             
        
        
        
Short Answer 28
If I'm reading this correctly it is 28.
2 is a prime number.
7 is also a prime
They are multiplied together to give 2*7 = 14
When you divide 28/14 you get 2 which is the smallest prime. 
28 <<< Answer