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How radioactivity decays

          
        
          
              
          
    
          
  
          

          


  
          
    
          
      
          
        
          
            
      
  

        
          
      
          
    
          
  
          


  
  
  
  

          
  
          
    
          
      
          
          







  
  



          

  
          

            
          
        Half-life


  

      
          
      

          



      
          

            
      
          
                  
          
              
          
  
          
      
          


            
          How radioactivity decays
          
      
          
  
  
      
          
      
          
        


            
            



radioactivity-decays-1140x640.jpg


          
      
              
          

          
          
  
          

          

            
          
        
    
    
                                                
        
          
      
          

              
          
                    
          
                  
  
          
    
          
      
          
                              


          
      
          
      
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