1) Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei. ... (3) Rates of chemical reactions are influenced by temperature and catalysts.
The answer is A.Outer. Hope this helps
In a typical double displacement reaction, you would have a total of two products (AB + CD —> AD + BC).
