It is an atom with a charge of 0 because a positive atom would be +1 charge and a negative atom would be -1 charge. So neutral would just be 0
        
             
        
        
        
Petiole, hopefully this helps you
        
             
        
        
        
The difference<span> between the </span>birth rate<span> and the death </span>rate<span> of a country or place is called the </span>natural increase<span>. </span>