Phosphorus has 5 valence electrons
It depends on the type of decay that is taking place if its a β+ it will decay into Mn-52 β- decays into Co-59
It will be different according to how each of them is easily warmed up when using thermal energy.
Water heats at 100 celsius and all the other solutions have slightly different boiling points
The answer to your question big man would be E
I think its c ,,,,,,,,,,,,,,,,,,,,,,,,