Nucleus for what?
Atom? Animal Cell? Plant Cell? Each have different structures.
        
             
        
        
        
Answer:
Can be used for simple experiments at home or in the classroom 
 
        
             
        
        
        
Answer that does not describe the structure of an atom: The electron clod is a small and compacted space around the nucleus. 
Bye and thx ;)
 
        
                    
             
        
        
        
Answer:
they all die and suffer a horrible unimaginable torture in hell with cats eating them from the eyes then tails then feet then left to bleed out in the name of Jesus