A(n) Acute exposure is a short term or brief exposure that may create an immediate health hazard. Answer: A)
        
                    
             
        
        
        
Answer:
The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons.
 
        
             
        
        
        
Answer:
A and B
Explanation:
 the other two make no sense at all