How can you calculate the number of electrons in an atom
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
Convert 1 atom into 10 electrons (I think)
                                
             
                    
              
              
                
                
The atomic number( number in the top left corner of the element’s box on the Periodic Table)
                                
             
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Answer:
Explanation:
Momentum conservation

Kinetic energy conservation

Solve the system
 
        
             
        
        
        
osisisksj
#sorryneedpoints
 
        
                    
             
        
        
        
No chande in mass becouse of the change in gravitational force do not effect in mass
        
                    
             
        
        
        
Answer:
Water and sand
Explanation: