I'd say it's single replacement/displacement
 
        
             
        
        
        
It was a Cambridge UK scientist in the early part of the 20 th century who discovered the electron. His name was J J Thompson.
 
        
             
        
        
        
PLEASDR PLEASE PLEASE PLEASE PLEASE PLEASE HELP PLEASE PLEASE MAKE PLEASE PLEASE HELP ME PLEASE PLEASE HELP POG PLEASE PLEASE HELP US PLEASE HELP ME HELP ME PLEASE HELP ME THANKS FOR PLE ME PLEASE
        
             
        
        
        
Atomic weight = 197
symbol = Au
electrons = 79
neutrons = 197 - 79 = 118
<u>answer: E</u>
        
             
        
        
        
Answer:
the answer is number 1
Explanation:
because when you make toast you burn it you toast it and there is no way to undo that.