This would be c as for the amswer
The nonmetal will have a higher temp than the other because it will have a higher melting point in which means they won't melt at the same point
If an atom is neutrally charged, then it has the same number of protons and electrones. When the atom loses one or more electrones, the protons are more than the electrones and the atom becomes a positively charged ion.
The name is 2-Chloro Propane
Because the chlorine is linked to the second carbon atom when it is spread out