It can at all work because the no of proton is the same as the no of electrons
        
             
        
        
        
It is B, it could also be D, but it is most likely B. Hope this helps.
        
             
        
        
        
The metal heats faster than the water because it requires less energy to heat it up (it has a lower heat capacity). 4. Why do you think different substances heat up and cool down at different rates? ... Water has a very high potential energy due the intermolecular forces between the polar water molecules.