Use the chemical reaction to answer the question.

4​Fe+3O2→2Fe2O3​

What happens to atoms of Fe and O2 during the reaction?

(1 point)
Responses

They maintain their properties.
They maintain their properties.

They are rearranged.
They are rearranged.

They are lost.
They are lost.

They gain mass.

They are rearranged.