When melted iron solidifies without any change in temperature what is happening on the atomic level

Answer:

a. energy is absorbed in the reaction.

explanation:

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.

The answer for this is a

Ithink that’s it’s b

Answer/// he concludes that the atom particles can be broken due to the paddle wheel being moved by particles coming out of the metal;