Yes you can it will not just have 5 :)
        
             
        
        
        
Answer:
B
Explanation:
All elements on both sides of the equation have the same amount of moles
 
        
             
        
        
        
Answer:
Radium
Explanation:
It has the highest atomic number so it would have more shells, making it larger than the others.
 
        
             
        
        
        
Answer:
Substance B, boiling point of 105 °C
Explanation:
Non volatile substances have high boiling points