What they have in common is that they both have the same number of atoms.
Answer:
One change of state happens when you add energy to the substance. This change of state is called melting. By adding energy to the molecules in a solid the molecules begin to move quicker and can break away from the other molecules. ... The temperature at which a substance goes from a solid to a liquid is it melting point.
It is, Reactants react to produce new substances known as products.
because a chemical reaction is the combining of different reactants
